OffscreenPreRaster and its plumbings

content/public/test/test_synchronous_compositor_android.cc

 // Copyright 2014 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/public/test/test_synchronous_compositor_android.h"
 
 #include "cc/output/compositor_frame.h"
 
 namespace content {
 
@@ skipping 26 matching lines @@
 }
 
 scoped_ptr<cc::CompositorFrame> TestSynchronousCompositor::DemandDrawHw(
     gfx::Size surface_size,
     const gfx::Transform& transform,
     gfx::Rect viewport,
     gfx::Rect clip,
     gfx::Rect viewport_rect_for_tile_priority,
     const gfx::Transform& transform_for_tile_priority) {
   DCHECK(hardware_initialized_);
-  return nullptr;
+  scoped_ptr<cc::CompositorFrame> compositor_frame =

[no sievers, 2015/02/25 20:54:36]

nit: scoped_ptr<cc::CompositorFrame> compositor_frame(new
cc::CompositorFrame()); like below

[hush (inactive), 2015/02/25 21:12:41]

Done.

+      make_scoped_ptr(new cc::CompositorFrame());
+  scoped_ptr<cc::DelegatedFrameData> frame(new cc::DelegatedFrameData);
+  scoped_ptr<cc::RenderPass> root_pass(cc::RenderPass::Create());
+  root_pass->SetNew(cc::RenderPassId(1, 1), viewport, viewport,
+                    gfx::Transform());
+  frame->render_pass_list.push_back(root_pass.Pass());
+  compositor_frame->delegated_frame_data = frame.Pass();
+  return compositor_frame.Pass();
 }
 
 void TestSynchronousCompositor::ReturnResources(
     const cc::CompositorFrameAck& frame_ack) {
   DCHECK(hardware_initialized_);
 }
 
 bool TestSynchronousCompositor::DemandDrawSw(SkCanvas* canvas) {
   DCHECK(canvas);
   return true;
 }
 
 void TestSynchronousCompositor::SetMemoryPolicy(size_t bytes_limit) {
   DCHECK(!bytes_limit || hardware_initialized_) << bytes_limit;
 }
 
 }  // namespace content