GitLab

Frameworks destroys the underlying EGLContext on after
certain levels of onTrimMemory, so webview must also release
its hardware draw resources to avoid using stale references.

Factor out release hardware resource code in aw_contents.cc
and browser_view_renderer.cc, and call it in onTrimMemory.

BUG=395657

Review URL: https://codereview.chromium.org/408803002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284591 0039d316-1c4b-4281-b951-d872f2087c98