[exp] cc: Introduce cc::CompositorMutator.

cc/trees/layer_tree_host_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.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 2066 matching lines @@
   int num_send_begin_main_frame_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestDeferCommits);
 
 class LayerTreeHostWithProxy : public LayerTreeHost {
  public:
   LayerTreeHostWithProxy(FakeLayerTreeHostClient* client,
                          const LayerTreeSettings& settings,
                          scoped_ptr<FakeProxy> proxy)
-      : LayerTreeHost(client, NULL, NULL, settings) {
+      : LayerTreeHost(client, NULL, NULL, NULL, settings) {
     proxy->SetLayerTreeHost(this);
     client->SetLayerTreeHost(this);
     InitializeForTesting(proxy.Pass());
   }
 };
 
 TEST(LayerTreeHostTest, LimitPartialUpdates) {
   // When partial updates are not allowed, max updates should be 0.
   {
     FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_3D);
@@ skipping 51 matching lines @@
 TEST(LayerTreeHostTest, PartialUpdatesWithGLRenderer) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_3D);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
   settings.single_thread_proxy_scheduler = false;
   settings.impl_side_painting = false;
 
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
-  scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::CreateSingleThreaded(&client,
-                                          &client,
-                                          shared_bitmap_manager.get(),
-                                          NULL,
-                                          settings,
-                                          base::MessageLoopProxy::current(),
-                                          nullptr);
+  scoped_ptr<LayerTreeHost> host = LayerTreeHost::CreateSingleThreaded(
+      &client, &client, shared_bitmap_manager.get(), NULL, nullptr, settings,
+      base::MessageLoopProxy::current(), nullptr);
   client.SetLayerTreeHost(host.get());
   host->Composite(base::TimeTicks::Now());
 
   EXPECT_EQ(4u, host->settings().max_partial_texture_updates);
 }
 
 TEST(LayerTreeHostTest, PartialUpdatesWithSoftwareRenderer) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DIRECT_SOFTWARE);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
   settings.single_thread_proxy_scheduler = false;
   settings.impl_side_painting = false;
 
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
-  scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::CreateSingleThreaded(&client,
-                                          &client,
-                                          shared_bitmap_manager.get(),
-                                          NULL,
-                                          settings,
-                                          base::MessageLoopProxy::current(),
-                                          nullptr);
+  scoped_ptr<LayerTreeHost> host = LayerTreeHost::CreateSingleThreaded(
+      &client, &client, shared_bitmap_manager.get(), NULL, nullptr, settings,
+      base::MessageLoopProxy::current(), nullptr);
   client.SetLayerTreeHost(host.get());
   host->Composite(base::TimeTicks::Now());
 
   EXPECT_EQ(4u, host->settings().max_partial_texture_updates);
 }
 
 TEST(LayerTreeHostTest, PartialUpdatesWithDelegatingRendererAndGLContent) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DELEGATED_3D);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
   settings.single_thread_proxy_scheduler = false;
   settings.impl_side_painting = false;
 
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
-  scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::CreateSingleThreaded(&client,
-                                          &client,
-                                          shared_bitmap_manager.get(),
-                                          NULL,
-                                          settings,
-                                          base::MessageLoopProxy::current(),
-                                          nullptr);
+  scoped_ptr<LayerTreeHost> host = LayerTreeHost::CreateSingleThreaded(
+      &client, &client, shared_bitmap_manager.get(), NULL, nullptr, settings,
+      base::MessageLoopProxy::current(), nullptr);
   client.SetLayerTreeHost(host.get());
   host->Composite(base::TimeTicks::Now());
 
   EXPECT_EQ(0u, host->MaxPartialTextureUpdates());
 }
 
 TEST(LayerTreeHostTest,
      PartialUpdatesWithDelegatingRendererAndSoftwareContent) {
   FakeLayerTreeHostClient client(FakeLayerTreeHostClient::DELEGATED_SOFTWARE);
 
   LayerTreeSettings settings;
   settings.max_partial_texture_updates = 4;
   settings.single_thread_proxy_scheduler = false;
   settings.impl_side_painting = false;
 
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
-  scoped_ptr<LayerTreeHost> host =
-      LayerTreeHost::CreateSingleThreaded(&client,
-                                          &client,
-                                          shared_bitmap_manager.get(),
-                                          NULL,
-                                          settings,
-                                          base::MessageLoopProxy::current(),
-                                          nullptr);
+  scoped_ptr<LayerTreeHost> host = LayerTreeHost::CreateSingleThreaded(
+      &client, &client, shared_bitmap_manager.get(), NULL, nullptr, settings,
+      base::MessageLoopProxy::current(), nullptr);
   client.SetLayerTreeHost(host.get());
   host->Composite(base::TimeTicks::Now());
 
   EXPECT_EQ(0u, host->MaxPartialTextureUpdates());
 }
 
 // TODO(sohanjg) : Remove it once impl-side painting ships everywhere.
 class LayerTreeHostTestShutdownWithOnlySomeResourcesEvicted
     : public LayerTreeHostTest {
  public:
@@ skipping 4192 matching lines @@
 
   void AfterTest() override {}
 
  private:
   scoped_refptr<Layer> child_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerPreserveRenderSurfaceFromOutputRequests);
 
 }  // namespace cc