Adds a RenderWidgetHostView for prerendering RenderViewHosts.
This fixes prerendered RenderViews having 0 size until
they're displayed.
Also cancels prerendering if the source RenderViewHost is
closed before prerendering starts.
BUG=71221
TEST=PrerenderBrowserTest.PrerenderSize
PrerenderManagerTest.SourceRenderViewClosed
Review URL: http://codereview.chromium.org/6685012
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@82491 0039d316-1c4b-4281-b951-d872f2087c98
13 files changed