Conditionally call SchedulePaint() when activating and deactivating inactive rendering.

BUG=160905
Test=Manual
  - crbug.com/165841 does not occur (Omitting the step to remove SchedulePaint from the code)
  - Bug described in http://codereview.chromium.org/8386064 does not occur

Review URL: https://chromiumcodereview.appspot.com/11567011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@173589 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed