add chromeos_builder target.

ideally everything we want to pull from chrome should be dependencies of this target. build-bots will be changed to build this from chromeos

Review URL: http://codereview.chromium.org/660110

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40089 0039d316-1c4b-4281-b951-d872f2087c98

build/all.gyp

@@ -226,9 +226,23 @@
             '../chrome_frame/chrome_frame.gyp:chrome_frame_unittests',
             '../chrome_frame/chrome_frame.gyp:npchrome_frame',
           ],
-        },       
+        },
       ],  # targets
     }], # OS="win"
+    ['chromeos==1', {
+      'targets': [
+        {
+          'target_name': 'chromeos_builder',
+          'type': 'none',
+          'dependencies': [
+            '../chrome/chrome.gyp:chrome',
+            '../media/media.gyp:omx_test',
+            '../media/media.gyp:ffmpeg_tests',
+	    # TODO(jiesun): should we put candidate_window/session here?
+          ],
+        },
+      ],  # targets
+    }], # "chromeos==1"
   ], # conditions
 }