cc: Adding BeginFrameTracker object and removing Now() from LTHI.

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 161 matching lines @@
   }
 
   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(),
         task_graph_runner_.get(), 0);
     bool init = host_impl_->InitializeRenderer(output_surface.Pass());
     host_impl_->SetViewportSize(gfx::Size(10, 10));
+    // Set the BeginFrameArgs so that methods which use it are able to.
+    host_impl_->WillBeginImplFrame(
+        CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE));
     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);
     root->draw_properties().visible_content_rect = gfx::Rect(0, 0, 10, 10);
     root->SetHasRenderSurface(true);
@@ skipping 4850 matching lines @@
 
   // 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<LayerTreeHostImpl> layer_tree_host_impl =
       LayerTreeHostImpl::Create(
           settings, this, &proxy_, &stats_instrumentation_,
           shared_bitmap_manager_.get(), NULL, task_graph_runner_.get(), 0);
   layer_tree_host_impl->InitializeRenderer(output_surface.Pass());
+  layer_tree_host_impl->WillBeginImplFrame(
+      CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE));
   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));
   child->SetContentBounds(gfx::Size(14, 15));
@@ skipping 268 matching lines @@
   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, NULL, 0);
   my_host_impl->InitializeRenderer(output_surface.Pass());
+  my_host_impl->WillBeginImplFrame(
+      CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE));
   my_host_impl->SetViewportSize(gfx::Size(100, 100));
 
   /*
     Layers are created as follows:
 
     +--------------------+
     |                  1 |
     |  +-----------+     |
     |  |         2 |     |
     |  | +-------------------+
@@ skipping 2531 matching lines @@
   EXPECT_FALSE(frame.render_passes_by_id[RenderPassId(2, 0)]);
   EXPECT_FALSE(frame.render_passes_by_id[RenderPassId(3, 0)]);
   EXPECT_EQ(1u, frame.render_passes.size());
   EXPECT_EQ(RenderPassId(1, 0), frame.render_passes[0]->id);
   // The RenderPassDrawQuad should be removed from pass1.
   EXPECT_EQ(0u, pass1->quad_list.size());
 }
 
 }  // namespace
 }  // namespace cc