Bring back Leandro's GL state restore

Bring back Leandro's GL state restore

BUG=230195
NOTRY=true

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=202348

[boliu, 2013-05-25 22:42:34]

Let's land this. Daniel, could you skim this. Should be a direct copy from
Leandro's old implementation, but just in case.

[joth, 2013-05-25 23:04:16]

lgtm

https://codereview.chromium.org/14860017/diff/4001/android_webview/browser/in...
File android_webview/browser/in_process_renderer/in_process_view_renderer.cc
(right):

https://codereview.chromium.org/14860017/diff/4001/android_webview/browser/in...
android_webview/browser/in_process_renderer/in_process_view_renderer.cc:88: }
we could DCHECK vertex_array_buffer_binding_ == 0 and
index_array_buffer_binding_ == 0

https://codereview.chromium.org/14860017/diff/4001/android_webview/browser/in...
android_webview/browser/in_process_renderer/in_process_view_renderer.cc:108:
glDisableVertexAttribArray(i);
nit: if/else need {}
(+several below)

[boliu, 2013-05-26 04:05:30]

all done

[commit-bot: I haz the power, 2013-05-26 06:04:08]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/boliu@chromium.org/14860017/10001

[commit-bot: I haz the power, 2013-05-26 06:04:16]

Change committed as 202348