Removes extra left border from wrench menu buttons. This seems to have been broken in https://codereview.chromium.org/82113004.

BUG=349063
TEST=Visual inspection - see screenshots in the bug. The buttons should have rounded corners.

Review URL: https://codereview.chromium.org/185233017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255266 0039d316-1c4b-4281-b951-d872f2087c98
Renderer context menu: add missing search provider link.

I created a group for this item in r254287, but forgot to add it in
render_view_context_menu.cc.

BUG=348379
Test=Select some <text> in webpage, right click to see context menu,
  "Search Google for <text>" should appear in the list now.

Review URL: https://codereview.chromium.org/187923006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255267 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255267
Remove un-necessary Dr. Memory exclusions for the now-fixed 349443. Add exclusion for TranslateManagerRenderViewHostTest.*.

BUG=349443,349778
TBR=zhaoqin@chromium.org

Review URL: https://codereview.chromium.org/183053003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255268 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255268