Roll chromium_revision 277350:280149

This fixes an error for GN (http://crrev.com/278107)

Overview of changes in Chrome DEPS:
$ svn diff http://src.chromium.org/chrome/trunk/src/DEPS -r 277350:280149

which can be compared with the output of:
$ svn cat http://webrtc.googlecode.com/svn/trunk/DEPS | grep chromium_deps | sed 's/^ *//' | sort | uniq

in a WebRTC checkout, gives the following relevant changes:
* buildtools 5d8997:fb782d
* third_party/android_tools c6e658:fbd420
* tools/gyp 1927:1944
* tools/swarming_client ae8085:aea506

BUG=3441
TEST=Local compile on most platforms (since trybots currently cannot detect DEPS-changes properly).
R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/19809004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6550 4adac7df-926f-26a2-2b94-8c16560cd09d

DEPS

@@ -11,7 +11,7 @@ vars = {
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://svn.code.sf.net/p/%(repo)s/code",
   "chromium_trunk" : "http://src.chromium.org/svn/trunk",
-  "chromium_revision": "277350",
+  "chromium_revision": "280149",
 
   # A small subset of WebKit is needed for the Android Python test framework.
   "webkit_trunk": "http://src.chromium.org/blink/trunk",
@@ -137,6 +137,9 @@ deps = {
   "tools/gyp":
     From("chromium_deps", "src/tools/gyp"),
 
+  "tools/memory":
+    Var("chromium_trunk") + "/src/tools/memory@" + Var("chromium_revision"),
+
   "tools/protoc_wrapper":
     Var("chromium_trunk") + "/src/tools/protoc_wrapper@" + Var("chromium_revision"),
 
@@ -289,6 +292,13 @@ hooks = [
                 "-s", Var("root_dir") + "/buildtools/linux32/gn.sha1",
     ],
   },
+  {
+    # Remove GN binaries from tools/gn/bin that aren't used anymore.
+    # TODO(kjellander) remove after the end of July, 2014.
+    "name": "remove_old_gn_binaries",
+    "pattern": ".",
+    "action": ["python", Var("root_dir") + "/tools/gn/bin/rm_binaries.py"],
+  },
   # Pull clang-format binaries using checked-in hashes.
   {
     "name": "clang_format_win",