Remove gfx::FrameTime for a single clock source

cc/trees/layer_tree_host_unittest_no_message_loop.cc

 // Copyright 2014 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 "base/thread_task_runner_handle.h"
 #include "base/threading/simple_thread.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/layers/delegated_renderer_layer.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/test/fake_delegated_renderer_layer.h"
 #include "cc/test/test_context_provider.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include "ui/gfx/frame_time.h"
 
 namespace cc {
 namespace {
 
 class NoMessageLoopOutputSurface : public OutputSurface {
  public:
   NoMessageLoopOutputSurface() : OutputSurface(TestContextProvider::Create()) {}
   ~NoMessageLoopOutputSurface() override {}
 
   // OutputSurface overrides.
@@ skipping 75 matching lines @@
     params.client = this;
     params.settings = &settings;
     layer_tree_host_ = LayerTreeHost::CreateSingleThreaded(this, &params);
     layer_tree_host_->SetViewportSize(size_);
     layer_tree_host_->SetRootLayer(root_layer_);
   }
 
   void Composite() {
     did_commit_ = false;
     did_commit_and_draw_frame_ = false;
-    layer_tree_host_->Composite(gfx::FrameTime::Now());
+    layer_tree_host_->Composite(base::TimeTicks::Now());
     EXPECT_TRUE(did_initialize_output_surface_);
     EXPECT_TRUE(did_commit_);
     EXPECT_TRUE(did_commit_and_draw_frame_);
   }
 
   void TearDownLayerTreeHost() {
     // Explicit teardown to make failures easier to debug.
     layer_tree_host_ = nullptr;
     root_layer_ = nullptr;
   }
@@ skipping 108 matching lines @@
   scoped_refptr<DelegatedFrameProvider> frame_provider_;
   scoped_refptr<DelegatedRendererLayer> delegated_layer_;
 };
 
 TEST_F(LayerTreeHostNoMessageLoopDelegatedLayer, SingleDelegatedLayer) {
   RunTest();
 }
 
 }  // namespace
 }  // namespace cc