diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 1f6c272aceb..d3a0c86daf4 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, ninja, which
 
 # default dependencies
-, bzip2, flac, speex, icu, libopus
+, bzip2, flac, speex, libopus
 , libevent, expat, libjpeg, snappy
 , libpng, libxml2, libxslt, libcap
 , xdg_utils, yasm, minizip, libwebp
@@ -84,7 +84,7 @@ let
   };
 
   defaultDependencies = [
-    bzip2 flac speex icu opusWithCustomModes
+    bzip2 flac speex opusWithCustomModes
     libevent expat libjpeg snappy
     libpng libxml2 libxslt libcap
     xdg_utils yasm minizip libwebp
@@ -113,7 +113,7 @@ let
       glib gtk dbus_glib
       libXScrnSaver libXcursor libXtst mesa
       pciutils protobuf speechd libXdamage
-      pythonPackages.gyp_svn1977 pythonPackages.ply pythonPackages.jinja2
+      pythonPackages.gyp pythonPackages.ply pythonPackages.jinja2
     ] ++ optional gnomeKeyringSupport libgnome_keyring3
       ++ optionals gnomeSupport [ gnome.GConf libgcrypt ]
       ++ optional enableSELinux libselinux
@@ -124,15 +124,10 @@ let
     #      be fixed, then try again to unbundle everything into separate
     #      derivations.
     prePatch = ''
-      cp -dsr --no-preserve=mode "${source.main}"/* .
-      cp -dsr --no-preserve=mode "${source.sandbox}" sandbox
+      cp -dr --no-preserve=mode "${source.main}"/* .
+      cp -dr --no-preserve=mode "${source.sandbox}" sandbox
       cp -dr "${source.bundled}" third_party
       chmod -R u+w third_party
-
-      # Hardcode source tree root in all gyp files
-      find -iname '*.gyp*' \( -type f -o -type l \) \
-        -exec sed -i -e 's|<(DEPTH)|'"$(pwd)"'|g' {} + \
-        -exec chmod u+w {} +
     '';
 
     postPatch = optionalString (versionOlder version "42.0.0.0") ''
@@ -200,7 +195,7 @@ let
       # This is to ensure expansion of $out.
       libExecPath="${libExecPath}"
       python build/linux/unbundle/replace_gyp_files.py ${gypFlags}
-      python build/gyp_chromium -f ninja --depth "$(pwd)" ${gypFlags}
+      python build/gyp_chromium -f ninja --depth . ${gypFlags}
     '';
 
     buildPhase = let
diff --git a/pkgs/applications/networking/browsers/chromium/source/default.nix b/pkgs/applications/networking/browsers/chromium/source/default.nix
index 54430bb5be9..a3a46631484 100644
--- a/pkgs/applications/networking/browsers/chromium/source/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/source/default.nix
@@ -18,7 +18,7 @@ let
     "s,^/,,"
   ]);
 
-  pre42 = versionOlder version "42.0.0.0";
+  pre44 = versionOlder version "44.0.0.0";
 
 in stdenv.mkDerivation {
   name = "chromium-source-${version}";
@@ -47,10 +47,10 @@ in stdenv.mkDerivation {
     done
   '';
 
-  patches = if pre42 then [
-    ./sandbox_userns_36.patch ./nix_plugin_paths.patch
-  ] else [
+  patches = if pre44 then [
     ./nix_plugin_paths_42.patch
+  ] else [
+    ./nix_plugin_paths_44.patch
   ];
 
   patchPhase = let
@@ -73,11 +73,10 @@ in stdenv.mkDerivation {
       -e 's|/bin/echo|echo|' \
       -e "/python_arch/s/: *'[^']*'/: '""'/" \
       "$out/build/common.gypi" "$main/chrome/chrome_tests.gypi"
-  '' + optionalString useOpenSSL ''
-    cat $opensslPatches | patch -p1 -d "$bundled/openssl/openssl"
-  '' + optionalString (!pre42) ''
     sed -i -e '/LOG.*no_suid_error/d' \
       "$main/content/browser/browser_main_loop.cc"
+  '' + optionalString useOpenSSL ''
+    cat $opensslPatches | patch -p1 -d "$bundled/openssl/openssl"
   '';
 
   preferLocalBuild = true;
diff --git a/pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths.patch b/pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths_44.patch
similarity index 84%
rename from pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths.patch
rename to pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths_44.patch
index 0220d042941..326da7f420a 100644
--- a/pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths.patch
+++ b/pkgs/applications/networking/browsers/chromium/source/nix_plugin_paths_44.patch
@@ -55,21 +55,6 @@ index 8a205a6..d5c24e1 100644
          return false;
        cur = cur.Append(kInternalFlashPluginFileName);
        break;
-@@ -295,12 +288,12 @@ bool PathProvider(int key, base::FilePath* result) {
-       cur = cur.Append(chrome::kPepperFlashPluginFilename);
-       break;
-     case chrome::FILE_PDF_PLUGIN:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "PDF"))
-         return false;
-       cur = cur.Append(kInternalPDFPluginFileName);
-       break;
-     case chrome::FILE_EFFECTS_PLUGIN:
--      if (!GetInternalPluginsDirectory(&cur))
-+      if (!GetInternalPluginsDirectory(&cur, "FILE_EFFECTS"))
-         return false;
-       cur = cur.Append(kEffectsPluginFileName);
-       break;
 @@ -308,7 +301,7 @@ bool PathProvider(int key, base::FilePath* result) {
      // We currently need a path here to look up whether the plugin is disabled
      // and what its permissions are.
diff --git a/pkgs/applications/networking/browsers/chromium/source/sources.nix b/pkgs/applications/networking/browsers/chromium/source/sources.nix
index e1144a44afb..3adbbab8392 100644
--- a/pkgs/applications/networking/browsers/chromium/source/sources.nix
+++ b/pkgs/applications/networking/browsers/chromium/source/sources.nix
@@ -1,21 +1,21 @@
 # This file is autogenerated from update.sh in the parent directory.
 {
   dev = {
-    version = "43.0.2327.5";
-    sha256 = "0k9jpzm1n7d3zv6f77vz33jcvmnbxnl6plabvlrf8w83kbzhi76n";
-    sha256bin32 = "1dm4xp0x02kqj82giw45qd2z12wf22h2bs0d3hnlz050innxgcb6";
-    sha256bin64 = "1b13g44y704llsnw68840zmaahj1hwzram50v8fqmff44w1b0bxb";
+    version = "45.0.2421.0";
+    sha256 = "1qc80y0mhwnvxrvpc3csskgb536wq34c0fgk19h1qb4xc62lxhsk";
+    sha256bin32 = "1xqhyrlmh00md6i1q4wr0xihqbvcpshzscnjclrn53dlw5zs2s89";
+    sha256bin64 = "0akdhwwdfcbqfh65a82zigbhsi8sbhhw6904cjprb3bmv4l3c598";
   };
   beta = {
-    version = "42.0.2311.39";
-    sha256 = "0qiyg8bg9f1daf8v2jlrv54lis7156h44ak42jdx96xanvj2rvj0";
-    sha256bin32 = "0v4dr2a3n51dais2mg0dml0rmqfmalfj0zgp20a4kkarbpih1x0v";
-    sha256bin64 = "19638ik9qgfmxpzdry0qwkwpzvhlbs2h2nn1kwsjja5j49817ksx";
+    version = "44.0.2403.39";
+    sha256 = "15c4adg0r9ym3pxya7vv4d148gv2pdwaaymxvvw511fjwffdv71n";
+    sha256bin32 = "1gaypkah10y31gb5f7vnyv0v73z5zjznmsp6vh2m4hfajx7s55jn";
+    sha256bin64 = "1j1ma6asl3ibjv3apyw24vhyi1qy64f586w8jizqzp4h962gj95c";
   };
   stable = {
-    version = "41.0.2272.89";
-    sha256 = "1saxcyqp8pz496qwdgl4dqxll6l9icbljm56w1rrkxgwrrvl4iwk";
-    sha256bin32 = "19srg0isp1k4fwixwjxm1j88bnqx9sb349n992i038c3h8raa1v4";
-    sha256bin64 = "1fb8ffgbsjsij7bd1qawa03z9pybasfig1cmdzwybmlwg2fdlvfv";
+    version = "43.0.2357.124";
+    sha256 = "09m8bb5f17mx6cd3h5irslw07h2s0drda35v17vcr7qfhk8jdh92";
+    sha256bin32 = "15n2fla1ixrqzi0in0vyl8n5wkv20fpd96lff65rwr9diylz287p";
+    sha256bin64 = "0x6igpcf29zmwqgphvy9nm527k9g7na2cvgc5nimw4fs5dakzzjr";
   };
 }
diff --git a/pkgs/applications/networking/browsers/chromium/source/update.nix b/pkgs/applications/networking/browsers/chromium/source/update.nix
index 27af85de546..e639cdb087b 100644
--- a/pkgs/applications/networking/browsers/chromium/source/update.nix
+++ b/pkgs/applications/networking/browsers/chromium/source/update.nix
@@ -9,7 +9,7 @@ let
             then import ./sources.nix
             else null;
 
-  bucketURL = "http://commondatastorage.googleapis.com/"
+  bucketURL = "https://commondatastorage.googleapis.com/"
             + "chromium-browser-official";
 
   debURL = "https://dl.google.com/linux/chrome/deb/pool/main/g";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c65fe86c382..c625301926b 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5920,12 +5920,12 @@ let
 
   gyp = buildPythonPackage rec {
     name = "gyp-${version}";
-    version = "2015-05-15";
+    version = "2015-06-11";
 
     src = pkgs.fetchgit {
       url = "https://chromium.googlesource.com/external/gyp.git";
-      rev = "9f594095c5b14f8bc518081a660e77890c294861";
-      sha256 = "1xqi44alnw9c31jg2hz7flz5nabq003b4jyin12h3s9zl82y6vd5";
+      rev = "fdc7b812f99e48c00e9a487bd56751bbeae07043";
+      sha256 = "176sdxkva2irr1v645nn4q6rwc6grbb1wxj82n7x9hh09q4bxqcz";
     };
 
     patches = optionals pkgs.stdenv.isDarwin [
@@ -5941,28 +5941,6 @@ let
     };
   };
 
-  # Needed to build Chromium until #7402 is fixed.
-  gyp_svn1977 = pkgs.lowPrio (buildPythonPackage rec {
-    rev = "1977";
-    name = "gyp-r${rev}";
-
-    src = pkgs.fetchsvn {
-      url = "http://gyp.googlecode.com/svn/trunk";
-      inherit rev;
-      sha256 = "0vnr75yd3bidysiwl9lljvf1dv6v9m9xqdnx0hdgyl92w689n9j8";
-    };
-
-    patches = optionals pkgs.stdenv.isDarwin [
-      ../development/python-modules/gyp/no-darwin-cflags.patch
-    ];
-
-    meta = {
-      homepage = http://code.google.com/p/gyp;
-      license = licenses.bsd3;
-      description = "Generate Your Projects";
-    };
-  });
-
   guessit = buildPythonPackage rec {
     version = "0.9.4";
     name = "guessit-${version}";