cc: Add threaded GPU rasterization.

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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 "cc/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 6608 matching lines @@
 
 
 TEST_F(LayerTreeHostImplTestDeferredInitialize, Success) {
   // Software draw.
   DrawFrame();
 
   EXPECT_FALSE(host_impl_->output_surface()->context_provider());
 
   // DeferredInitialize and hardware draw.
   did_update_renderer_capabilities_ = false;
-  EXPECT_TRUE(
-      output_surface_->InitializeAndSetContext3d(onscreen_context_provider_));
+  EXPECT_TRUE(output_surface_->InitializeAndSetContext3d(
+      onscreen_context_provider_, nullptr));
   EXPECT_EQ(onscreen_context_provider_.get(),
             host_impl_->output_surface()->context_provider());
   EXPECT_TRUE(did_update_renderer_capabilities_);
 
   // Defer intialized GL draw.
   DrawFrame();
 
   // Revert back to software.
   did_update_renderer_capabilities_ = false;
   output_surface_->ReleaseGL();
   EXPECT_FALSE(host_impl_->output_surface()->context_provider());
   EXPECT_TRUE(did_update_renderer_capabilities_);
 
   // Software draw again.
   DrawFrame();
 }
 
 TEST_F(LayerTreeHostImplTestDeferredInitialize, Fails) {
   // Software draw.
   DrawFrame();
 
   // Fail initialization of the onscreen context before the OutputSurface binds
   // it to the thread.
   onscreen_context_provider_->UnboundTestContext3d()->set_context_lost(true);
 
   EXPECT_FALSE(host_impl_->output_surface()->context_provider());
 
   // DeferredInitialize fails.
   did_update_renderer_capabilities_ = false;
-  EXPECT_FALSE(
-      output_surface_->InitializeAndSetContext3d(onscreen_context_provider_));
+  EXPECT_FALSE(output_surface_->InitializeAndSetContext3d(
+      onscreen_context_provider_, nullptr));
   EXPECT_FALSE(host_impl_->output_surface()->context_provider());
   EXPECT_FALSE(did_update_renderer_capabilities_);
 
   // Software draw again.
   DrawFrame();
 }
 
 // Checks that we have a non-0 default allocation if we pass a context that
 // doesn't support memory management extensions.
 TEST_F(LayerTreeHostImplTest, DefaultMemoryAllocation) {
@@ skipping 1543 matching lines @@
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_LE(1, num_lost_surfaces_);
 }
 
 }  // namespace
 }  // namespace cc