ÜC: Optimize the parent compositor receiving textures from the child.

This CL makes the parent compositor delay texture binding until they are used.
So we have two benefits:
1. reduce unnecessary glBindTexture calls.
2. be able to wait "less" because of more time for glWaitSyncPointCHROMIUM.

TEST=ResourceProviderTest.TransferGLResources,
ResourceProviderTest.TextureFilters_ChildNearestParentLinear,
ResourceProviderTest.TextureFilters_ChildLinearParentNearest
BUG=N/A

Review URL: https://codereview.chromium.org/132233044

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246591 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 246591