compositor: Fix texture flipping for SW mirroring with surfaceless

content/browser/compositor/buffer_queue.cc

Index: content/browser/compositor/buffer_queue.cc
diff --git a/content/browser/compositor/buffer_queue.cc b/content/browser/compositor/buffer_queue.cc
index c58e6bc16ad251e0e2936fe8be00fda66eef68ee..7efe484793c899ce17c9a61cb9765cce0839a2e9 100644
--- a/content/browser/compositor/buffer_queue.cc
+++ b/content/browser/compositor/buffer_queue.cc
@@ -75,6 +75,8 @@ void BufferQueue::CopyBufferDamage(int texture,
                                  old_damage.y(),
                                  old_damage.width(),
                                  old_damage.height())));
+  // CopySubBufferDamage binds its own framebuffer, restore ours.

[danakj, 2015/01/12 18:27:30]

Should this be a separate CL?

[achaulk, 2015/01/12 18:47:35]

It could be, but SW mirroring with partial swap is broken without it since the
mirroring process will attempt to copy out of the temporary framebuffer

[danakj, 2015/01/12 19:00:07]

It doesn't seem related to flipping tho? So It would be nice to do this in
another CL with tests for it.

+  context_provider_->ContextGL()->BindFramebuffer(GL_FRAMEBUFFER, fbo_);
 }
 
 void BufferQueue::UpdateBufferDamage(const gfx::Rect& damage) {