Add ash notification button resources

Add ash notification button resources

Resources for http://codereview.chromium.org/10878068/

BUG=144723
TBR=oshima

[jennyz, 2012-08-27 22:50:22]

lgtm

[commit-bot: I haz the power, 2012-08-27 23:05:26]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/stevenjb@chromium.org/10883041/1

[commit-bot: I haz the power, 2012-08-27 23:05:30]

Presubmit check for 10883041-1 failed and returned exit status 1.


Running presubmit commit checks ...
Traceback (most recent call last):
  File "/b/commit-queue/verification/presubmit_shim.py", line 43, in <module>
    sys.exit(presubmit_support.Main(argv))
  File "/b/depot_tools/presubmit_support.py", line 1258, in Main
    rietveld_obj)
  File "/b/depot_tools/presubmit_support.py", line 1106, in DoPresubmitChecks
    results += executer.ExecPresubmitScript(presubmit_script, filename)
  File "/b/depot_tools/presubmit_support.py", line 1023, in ExecPresubmitScript
    result = eval(function_name + '(*__args)', context)
  File "<string>", line 1, in <module>
  File "<string>", line 19, in CheckChangeOnCommit
  File "<string>", line 43, in _CommonChecks
  File
"/b/commit-queue/workdir/chromium/ui/resources/resource_check/resource_scale_factors.py",
line 83, in RunChecks
    base_width, base_height = ImageSize(base_image)
  File
"/b/commit-queue/workdir/chromium/ui/resources/resource_check/resource_scale_factors.py",
line 47, in ImageSize
    assert data[:8] == '\x89PNG\r\n\x1A\n' and data[12:16] == 'IHDR'
AssertionError