Tiling priorities in Android Webview.

content/browser/android/in_process/synchronous_compositor_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/android/in_process/synchronous_compositor_impl.h"
 
 #include "base/lazy_instance.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/input/input_handler.h"
 #include "content/browser/android/in_process/synchronous_compositor_factory_impl.h"
@@ skipping 106 matching lines @@
 
 gpu::GLInProcessContext* SynchronousCompositorImpl::GetShareContext() {
   DCHECK(CalledOnValidThread());
   return g_factory.Get().GetShareContext();
 }
 
 scoped_ptr<cc::CompositorFrame> SynchronousCompositorImpl::DemandDrawHw(
     gfx::Size surface_size,
     const gfx::Transform& transform,
     gfx::Rect viewport,
-    gfx::Rect clip) {
+    gfx::Rect clip,
+    gfx::Rect viewport_rect_for_tile_priority,
+    const gfx::Transform& transform_for_tile_priority) {
   DCHECK(CalledOnValidThread());
   DCHECK(output_surface_);
 
   scoped_ptr<cc::CompositorFrame> frame =
-      output_surface_->DemandDrawHw(surface_size, transform, viewport, clip);
+      output_surface_->DemandDrawHw(surface_size,
+                                    transform,
+                                    viewport,
+                                    clip,
+                                    viewport_rect_for_tile_priority,
+                                    transform_for_tile_priority);
   if (frame.get())
     UpdateFrameMetaData(frame->metadata);
 
   return frame.Pass();
 }
 
 void SynchronousCompositorImpl::ReturnResources(
     const cc::CompositorFrameAck& frame_ack) {
   DCHECK(CalledOnValidThread());
   output_surface_->ReturnResources(frame_ack);
@@ skipping 159 matching lines @@
     g_factory.Get();  // Ensure it's initialized.
     SynchronousCompositorImpl::CreateForWebContents(contents);
   }
   if (SynchronousCompositorImpl* instance =
       SynchronousCompositorImpl::FromWebContents(contents)) {
     instance->SetClient(client);
   }
 }
 
 }  // namespace content