cc: Use HighResNow as timebase if it is fast and reliable

cc/input/top_controls_manager_unittest.cc

 // Copyright 2013 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/input/top_controls_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "cc/input/top_controls_manager_client.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/frame_time.h"
 #include "ui/gfx/vector2d_f.h"
 
 namespace cc {
 namespace {
 
 static const float kTopControlsHeight = 100;
 
 class MockTopControlsManagerClient : public TopControlsManagerClient {
  public:
   MockTopControlsManagerClient(float top_controls_show_threshold,
@@ skipping 99 matching lines @@
   manager->ScrollEnd();
 
   manager->ScrollBegin();
   manager->ScrollBy(gfx::Vector2dF(0.f, -15.f));
   EXPECT_EQ(-85.f, manager->controls_top_offset());
   EXPECT_EQ(15.f, manager->content_top_offset());
   manager->ScrollEnd();
 
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_LT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
 }
 
 TEST(TopControlsManagerTest, PartialShownShowAnimation) {
   MockTopControlsManagerClient client(0.5f, 0.5f);
   TopControlsManager* manager = client.manager();
   manager->ScrollBegin();
   manager->ScrollBy(gfx::Vector2dF(0.f, 300.f));
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
   manager->ScrollEnd();
 
   manager->ScrollBegin();
   manager->ScrollBy(gfx::Vector2dF(0.f, -70.f));
   EXPECT_EQ(-30.f, manager->controls_top_offset());
   EXPECT_EQ(70.f, manager->content_top_offset());
   manager->ScrollEnd();
 
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_GT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(0.f, manager->controls_top_offset());
   EXPECT_EQ(100.f, manager->content_top_offset());
 }
 
 TEST(TopControlsManagerTest, PartialHiddenWithAmbiguousThresholdShows) {
   MockTopControlsManagerClient client(0.25f, 0.25f);
   TopControlsManager* manager = client.manager();
 
   manager->ScrollBegin();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, 20.f));
   EXPECT_EQ(-20.f, manager->controls_top_offset());
   EXPECT_EQ(80.f, manager->content_top_offset());
 
   manager->ScrollEnd();
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_GT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(0.f, manager->controls_top_offset());
   EXPECT_EQ(100.f, manager->content_top_offset());
 }
 
 TEST(TopControlsManagerTest, PartialHiddenWithAmbiguousThresholdHides) {
   MockTopControlsManagerClient client(0.25f, 0.25f);
   TopControlsManager* manager = client.manager();
 
   manager->ScrollBegin();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, 30.f));
   EXPECT_EQ(-30.f, manager->controls_top_offset());
   EXPECT_EQ(70.f, manager->content_top_offset());
 
   manager->ScrollEnd();
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_LT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
 }
 
 TEST(TopControlsManagerTest, PartialShownWithAmbiguousThresholdHides) {
   MockTopControlsManagerClient client(0.25f, 0.25f);
   TopControlsManager* manager = client.manager();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
 
   manager->ScrollBegin();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, -20.f));
   EXPECT_EQ(-80.f, manager->controls_top_offset());
   EXPECT_EQ(20.f, manager->content_top_offset());
 
   manager->ScrollEnd();
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_LT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
 }
 
 TEST(TopControlsManagerTest, PartialShownWithAmbiguousThresholdShows) {
   MockTopControlsManagerClient client(0.25f, 0.25f);
   TopControlsManager* manager = client.manager();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, 200.f));
   EXPECT_EQ(-100.f, manager->controls_top_offset());
   EXPECT_EQ(0.f, manager->content_top_offset());
 
   manager->ScrollBegin();
 
   manager->ScrollBy(gfx::Vector2dF(0.f, -30.f));
   EXPECT_EQ(-70.f, manager->controls_top_offset());
   EXPECT_EQ(30.f, manager->content_top_offset());
 
   manager->ScrollEnd();
   EXPECT_TRUE(manager->animation());
 
-  base::TimeTicks time = base::TimeTicks::Now();
+  base::TimeTicks time = gfx::FrameTime::Now();
   float previous_offset = manager->controls_top_offset();
   while (manager->animation()) {
     time = base::TimeDelta::FromMicroseconds(100) + time;
     manager->Animate(time);
     EXPECT_GT(manager->controls_top_offset(), previous_offset);
     previous_offset = manager->controls_top_offset();
   }
   EXPECT_FALSE(manager->animation());
   EXPECT_EQ(0.f, manager->controls_top_offset());
   EXPECT_EQ(100.f, manager->content_top_offset());
 }
 
 }  // namespace
 }  // namespace cc