cc: Make single-thread renderer compositor always synchronous.

cc/trees/layer_tree_host_unittest_context.cc

 // Copyright 2012 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.h"
 
 #include "base/basictypes.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
@@ skipping 367 matching lines @@
     LayerTreeHostClientNotReadyDoesNotCreateOutputSurface);
 
 class MultipleCompositeDoesNotCreateOutputSurface
     : public LayerTreeHostContextTest {
  public:
   MultipleCompositeDoesNotCreateOutputSurface()
       : LayerTreeHostContextTest(), request_count_(0) {}
 
   void InitializeSettings(LayerTreeSettings* settings) override {
     settings->single_thread_proxy_scheduler = false;
+    settings->use_zero_copy = true;
   }
 
   void RequestNewOutputSurface() override {
     EXPECT_GE(1, ++request_count_);
     EndTest();
   }
 
   void BeginTest() override {
     layer_tree_host()->Composite(base::TimeTicks());
     layer_tree_host()->Composite(base::TimeTicks());
@@ skipping 17 matching lines @@
 // DidFailToInitializeOutputSurface, that future Composite calls will not
 // trigger additional requests for output surfaces.
 class FailedCreateDoesNotCreateExtraOutputSurface
     : public LayerTreeHostContextTest {
  public:
   FailedCreateDoesNotCreateExtraOutputSurface()
       : LayerTreeHostContextTest(), num_requests_(0), has_failed_(false) {}
 
   void InitializeSettings(LayerTreeSettings* settings) override {
     settings->single_thread_proxy_scheduler = false;
+    settings->use_zero_copy = true;
   }
 
   void RequestNewOutputSurface() override {
     num_requests_++;
     // There should be one initial request and then one request from
     // the LayerTreeTest test hooks DidFailToInitializeOutputSurface (which is
     // hard to skip).  This second request is just ignored and is test cruft.
     EXPECT_LE(num_requests_, 2);
     if (num_requests_ > 1)
       return;
@@ skipping 31 matching lines @@
 SINGLE_THREAD_NOIMPL_TEST_F(FailedCreateDoesNotCreateExtraOutputSurface);
 
 class LayerTreeHostContextTestCommitAfterDelayedOutputSurface
     : public LayerTreeHostContextTest {
  public:
   LayerTreeHostContextTestCommitAfterDelayedOutputSurface()
       : LayerTreeHostContextTest(), creating_output_(false) {}
 
   void InitializeSettings(LayerTreeSettings* settings) override {
     settings->single_thread_proxy_scheduler = false;
+    settings->use_zero_copy = true;
   }
 
   void RequestNewOutputSurface() override {
     MainThreadTaskRunner()->PostTask(
         FROM_HERE,
         base::Bind(&LayerTreeHostContextTestCommitAfterDelayedOutputSurface::
                        CreateAndSetOutputSurface,
                    base::Unretained(this)));
   }
 
@@ skipping 19 matching lines @@
     LayerTreeHostContextTestCommitAfterDelayedOutputSurface);
 
 class LayerTreeHostContextTestAvoidUnnecessaryComposite
     : public LayerTreeHostContextTest {
  public:
   LayerTreeHostContextTestAvoidUnnecessaryComposite()
       : LayerTreeHostContextTest(), in_composite_(false) {}
 
   void InitializeSettings(LayerTreeSettings* settings) override {
     settings->single_thread_proxy_scheduler = false;
+    settings->use_zero_copy = true;
   }
 
   void RequestNewOutputSurface() override {
     layer_tree_host()->SetOutputSurface(
         LayerTreeHostContextTest::CreateOutputSurface());
     EndTest();
   }
 
   void BeginTest() override {
     in_composite_ = true;
@@ skipping 1272 matching lines @@
   void AfterTest() override {}
 
   bool deferred_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostContextTestLoseAfterSendingBeginMainFrame);
 
 }  // namespace
 }  // namespace cc