[exp] cc: Introduce cc::CompositorMutator.

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 149 matching lines @@
   void DidCompletePageScaleAnimationOnImplThread() override {
     did_complete_page_scale_animation_ = true;
   }
 
   void set_reduce_memory_result(bool reduce_memory_result) {
     reduce_memory_result_ = reduce_memory_result;
   }
 
   virtual bool CreateHostImpl(const LayerTreeSettings& settings,
                               scoped_ptr<OutputSurface> output_surface) {
-    host_impl_ = LayerTreeHostImpl::Create(settings,
-                                           this,
-                                           &proxy_,
-                                           &stats_instrumentation_,
-                                           shared_bitmap_manager_.get(),
-                                           gpu_memory_buffer_manager_.get(),
-                                           0);
+    host_impl_ = LayerTreeHostImpl::Create(
+        settings, this, &proxy_, &stats_instrumentation_,
+        shared_bitmap_manager_.get(), gpu_memory_buffer_manager_.get(), nullptr,
+        0);
     bool init = host_impl_->InitializeRenderer(output_surface.Pass());
     host_impl_->SetViewportSize(gfx::Size(10, 10));
     return init;
   }
 
   void SetupRootLayerImpl(scoped_ptr<LayerImpl> root) {
     root->SetPosition(gfx::PointF());
     root->SetBounds(gfx::Size(10, 10));
     root->SetContentBounds(gfx::Size(10, 10));
     root->SetDrawsContent(true);
@@ skipping 1354 matching lines @@
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       SharedBitmapManager* manager,
       RenderingStatsInstrumentation* rendering_stats_instrumentation)
       : LayerTreeHostImpl(settings,
                           client,
                           proxy,
                           rendering_stats_instrumentation,
                           manager,
                           NULL,
+                          NULL,
                           0) {}
 
   BeginFrameArgs CurrentBeginFrameArgs() const override {
     return CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE,
                                           fake_current_physical_time_);
   }
 
   void SetCurrentPhysicalTimeTicksForTest(base::TimeTicks fake_now) {
     fake_current_physical_time_ = fake_now;
   }
@@ skipping 3482 matching lines @@
       FakeOutputSurface::Create3d(context_provider));
   FakeOutputSurface* fake_output_surface = output_surface.get();
 
   // This test creates its own LayerTreeHostImpl, so
   // that we can force partial swap enabled.
   LayerTreeSettings settings;
   settings.renderer_settings.partial_swap_enabled = true;
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
       new TestSharedBitmapManager());
   scoped_ptr<LayerTreeHostImpl> layer_tree_host_impl =
-      LayerTreeHostImpl::Create(settings,
-                                this,
-                                &proxy_,
+      LayerTreeHostImpl::Create(settings, this, &proxy_,
                                 &stats_instrumentation_,
-                                shared_bitmap_manager.get(),
-                                NULL,
-                                0);
+                                shared_bitmap_manager.get(), nullptr, NULL, 0);
   layer_tree_host_impl->InitializeRenderer(output_surface.Pass());
   layer_tree_host_impl->SetViewportSize(gfx::Size(500, 500));
 
   scoped_ptr<LayerImpl> root =
       FakeDrawableLayerImpl::Create(layer_tree_host_impl->active_tree(), 1);
   root->SetHasRenderSurface(true);
   scoped_ptr<LayerImpl> child =
       FakeDrawableLayerImpl::Create(layer_tree_host_impl->active_tree(), 2);
   child->SetPosition(gfx::PointF(12.f, 13.f));
   child->SetBounds(gfx::Size(14, 15));
@@ skipping 267 matching lines @@
     RenderingStatsInstrumentation* stats_instrumentation) {
   scoped_refptr<TestContextProvider> provider(TestContextProvider::Create());
   scoped_ptr<OutputSurface> output_surface(
       FakeOutputSurface::Create3d(provider));
   provider->BindToCurrentThread();
   provider->TestContext3d()->set_have_post_sub_buffer(true);
 
   LayerTreeSettings settings;
   settings.renderer_settings.partial_swap_enabled = partial_swap;
   scoped_ptr<LayerTreeHostImpl> my_host_impl = LayerTreeHostImpl::Create(
-      settings, client, proxy, stats_instrumentation, manager, NULL, 0);
+      settings, client, proxy, stats_instrumentation, manager, NULL, NULL, 0);
   my_host_impl->InitializeRenderer(output_surface.Pass());
   my_host_impl->SetViewportSize(gfx::Size(100, 100));
 
   /*
     Layers are created as follows:
 
     +--------------------+
     |                  1 |
     |  +-----------+     |
     |  |         2 |     |
@@ skipping 1305 matching lines @@
   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) {
   LayerTreeSettings settings;
-  host_impl_ = LayerTreeHostImpl::Create(settings,
-                                         this,
-                                         &proxy_,
-                                         &stats_instrumentation_,
-                                         shared_bitmap_manager_.get(),
-                                         gpu_memory_buffer_manager_.get(),
-                                         0);
+  host_impl_ = LayerTreeHostImpl::Create(
+      settings, this, &proxy_, &stats_instrumentation_,
+      shared_bitmap_manager_.get(), gpu_memory_buffer_manager_.get(), nullptr,
+      0);
 
   scoped_ptr<OutputSurface> output_surface(
       FakeOutputSurface::Create3d(TestWebGraphicsContext3D::Create()));
   host_impl_->InitializeRenderer(output_surface.Pass());
   EXPECT_LT(0ul, host_impl_->memory_allocation_limit_bytes());
 }
 
 TEST_F(LayerTreeHostImplTest, MemoryPolicy) {
   ManagedMemoryPolicy policy1(
       456, gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING, 1000);
@@ skipping 20 matching lines @@
 
   host_impl_->SetVisible(true);
   EXPECT_EQ(policy1.bytes_limit_when_visible, current_limit_bytes_);
   EXPECT_EQ(everything_cutoff_value, current_priority_cutoff_value_);
 
   // Now enable GPU rasterization and test if we get nice to have cutoff,
   // when visible.
   LayerTreeSettings settings;
   settings.gpu_rasterization_enabled = true;
   host_impl_ = LayerTreeHostImpl::Create(
-      settings, this, &proxy_, &stats_instrumentation_, NULL, NULL, 0);
+      settings, this, &proxy_, &stats_instrumentation_, NULL, NULL, NULL, 0);
   host_impl_->SetUseGpuRasterization(true);
   host_impl_->SetVisible(true);
   host_impl_->SetMemoryPolicy(policy1);
   EXPECT_EQ(policy1.bytes_limit_when_visible, current_limit_bytes_);
   EXPECT_EQ(allow_nice_to_have_cutoff_value, current_priority_cutoff_value_);
 
   host_impl_->SetVisible(false);
   EXPECT_EQ(0u, current_limit_bytes_);
   EXPECT_EQ(nothing_cutoff_value, current_priority_cutoff_value_);
 }
@@ skipping 1768 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