[content shell] for hidpi tests, just modify the device scale factor on the renderer side

What could possibly go wrong?

[email protected]
BUG=111316
TEST=fast/hidpi passes


Review URL: https://chromiumcodereview.appspot.com/12335002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@184350 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed