Remove parts of //cc we aren't using

cc/animation/scrollbar_animation_controller_thinning_unittest.cc

Index: cc/animation/scrollbar_animation_controller_thinning_unittest.cc
diff --git a/cc/animation/scrollbar_animation_controller_thinning_unittest.cc b/cc/animation/scrollbar_animation_controller_thinning_unittest.cc
deleted file mode 100644
index 04f81d369a4fbce53cdbb5f3449aca54db004bd9..0000000000000000000000000000000000000000
--- a/cc/animation/scrollbar_animation_controller_thinning_unittest.cc
+++ /dev/null
@@ -1,387 +0,0 @@
-// 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/animation/scrollbar_animation_controller_thinning.h"
-
-#include "cc/layers/solid_color_scrollbar_layer_impl.h"
-#include "cc/test/fake_impl_proxy.h"
-#include "cc/test/fake_layer_tree_host_impl.h"
-#include "cc/test/geometry_test_utils.h"
-#include "cc/test/test_shared_bitmap_manager.h"
-#include "cc/test/test_task_graph_runner.h"
-#include "cc/trees/layer_tree_impl.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace cc {
-namespace {
-
-class ScrollbarAnimationControllerThinningTest
-    : public testing::Test,
-      public ScrollbarAnimationControllerClient {
- public:
-  ScrollbarAnimationControllerThinningTest()
-      : host_impl_(&proxy_, &shared_bitmap_manager_, &task_graph_runner_) {}
-
-  void StartAnimatingScrollbarAnimationController(
-      ScrollbarAnimationController* controller) override {
-    is_animating_ = true;
-  }
-  void StopAnimatingScrollbarAnimationController(
-      ScrollbarAnimationController* controller) override {
-    is_animating_ = false;
-  }
-  void PostDelayedScrollbarAnimationTask(const base::Closure& start_fade,
-                                         base::TimeDelta delay) override {
-    start_fade_ = start_fade;
-    delay_ = delay;
-  }
-  void SetNeedsRedrawForScrollbarAnimation() override {
-    did_request_redraw_ = true;
-  }
-
- protected:
-  void SetUp() override {
-    scoped_ptr<LayerImpl> scroll_layer =
-        LayerImpl::Create(host_impl_.active_tree(), 1);
-    clip_layer_ = LayerImpl::Create(host_impl_.active_tree(), 3);
-    scroll_layer->SetScrollClipLayer(clip_layer_->id());
-    LayerImpl* scroll_layer_ptr = scroll_layer.get();
-    clip_layer_->AddChild(scroll_layer.Pass());
-
-    const int kId = 2;
-    const int kThumbThickness = 10;
-    const int kTrackStart = 0;
-    const bool kIsLeftSideVerticalScrollbar = false;
-    const bool kIsOverlayScrollbar = true;
-    scrollbar_layer_ =
-        SolidColorScrollbarLayerImpl::Create(host_impl_.active_tree(),
-                                             kId,
-                                             HORIZONTAL,
-                                             kThumbThickness,
-                                             kTrackStart,
-                                             kIsLeftSideVerticalScrollbar,
-                                             kIsOverlayScrollbar);
-
-    scrollbar_layer_->SetScrollLayerAndClipLayerByIds(scroll_layer_ptr->id(),
-                                                      clip_layer_->id());
-    clip_layer_->SetBounds(gfx::Size(100, 100));
-    scroll_layer_ptr->SetBounds(gfx::Size(200, 200));
-
-    scrollbar_controller_ = ScrollbarAnimationControllerThinning::Create(
-        scroll_layer_ptr, this, base::TimeDelta::FromSeconds(2),
-        base::TimeDelta::FromSeconds(5), base::TimeDelta::FromSeconds(3));
-  }
-
-  FakeImplProxy proxy_;
-  TestSharedBitmapManager shared_bitmap_manager_;
-  TestTaskGraphRunner task_graph_runner_;
-  FakeLayerTreeHostImpl host_impl_;
-  scoped_ptr<ScrollbarAnimationControllerThinning> scrollbar_controller_;
-  scoped_ptr<LayerImpl> clip_layer_;
-  scoped_ptr<SolidColorScrollbarLayerImpl> scrollbar_layer_;
-
-  base::Closure start_fade_;
-  base::TimeDelta delay_;
-  bool is_animating_;
-  bool did_request_redraw_;
-};
-
-// Check initialization of scrollbar.
-TEST_F(ScrollbarAnimationControllerThinningTest, Idle) {
-  scrollbar_controller_->Animate(base::TimeTicks());
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-// Check that scrollbar disappears when the layer becomes non-scrollable.
-TEST_F(ScrollbarAnimationControllerThinningTest, HideOnResize) {
-  LayerImpl* scroll_layer = host_impl_.active_tree()->LayerById(1);
-  ASSERT_TRUE(scroll_layer);
-  EXPECT_EQ(gfx::Size(200, 200), scroll_layer->bounds());
-
-  EXPECT_EQ(HORIZONTAL, scrollbar_layer_->orientation());
-
-  // Shrink along X axis, horizontal scrollbar should appear.
-  clip_layer_->SetBounds(gfx::Size(100, 200));
-  EXPECT_EQ(gfx::Size(100, 200), clip_layer_->bounds());
-
-  scrollbar_controller_->DidScrollBegin();
-
-  scrollbar_controller_->DidScrollUpdate(false);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-
-  scrollbar_controller_->DidScrollEnd();
-
-  // Shrink along Y axis and expand along X, horizontal scrollbar
-  // should disappear.
-  clip_layer_->SetBounds(gfx::Size(200, 100));
-  EXPECT_EQ(gfx::Size(200, 100), clip_layer_->bounds());
-
-  scrollbar_controller_->DidScrollBegin();
-
-  scrollbar_controller_->DidScrollUpdate(false);
-  EXPECT_FLOAT_EQ(0.0f, scrollbar_layer_->opacity());
-
-  scrollbar_controller_->DidScrollEnd();
-}
-
-// Scroll content. Confirm the scrollbar gets dark and then becomes light
-// after stopping.
-TEST_F(ScrollbarAnimationControllerThinningTest, AwakenByProgrammaticScroll) {
-  base::TimeTicks time;
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidScrollUpdate(false);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  // Scrollbar doesn't change size if triggered by scroll.
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  start_fade_.Run();
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Subsequent scroll restarts animation.
-  scrollbar_controller_->DidScrollUpdate(false);
-
-  start_fade_.Run();
-
-  time += base::TimeDelta::FromSeconds(2);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-// Initiate a scroll when the pointer is already near the scrollbar. It should
-// remain thick.
-TEST_F(ScrollbarAnimationControllerThinningTest, ScrollWithMouseNear) {
-  base::TimeTicks time;
-  time += base::TimeDelta::FromSeconds(1);
-
-  scrollbar_controller_->DidMouseMoveNear(1);
-  scrollbar_controller_->Animate(time);
-  time += base::TimeDelta::FromSeconds(3);
-
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  scrollbar_controller_->DidScrollUpdate(false);
-  start_fade_.Run();
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  // Scrollbar should still be thick.
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(5);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-// Move the pointer near the scrollbar. Confirm it gets thick and narrow when
-// moved away.
-TEST_F(ScrollbarAnimationControllerThinningTest, MouseNear) {
-  base::TimeTicks time;
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveNear(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Should animate to thickened but not darken.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Subsequent moves should not change anything.
-  scrollbar_controller_->DidMouseMoveNear(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Now move away from bar.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveNear(26);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Animate to narrow.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-// Move the pointer over the scrollbar. Make sure it gets thick and dark
-// and that it gets thin and light when moved away.
-TEST_F(ScrollbarAnimationControllerThinningTest, MouseOver) {
-  base::TimeTicks time;
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveNear(0);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Should animate to thickened and darkened.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Subsequent moves should not change anything.
-  scrollbar_controller_->DidMouseMoveNear(0);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Now move away from bar.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveNear(26);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Animate to narrow.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.6f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-// First move the pointer near the scrollbar, then over it, then back near
-// then far away. Confirm that first the bar gets thick, then dark, then light,
-// then narrow.
-TEST_F(ScrollbarAnimationControllerThinningTest, MouseNearThenOver) {
-  base::TimeTicks time;
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveNear(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.4f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Should animate to thickened but not darken.
-  time += base::TimeDelta::FromSeconds(3);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // Now move over.
-  scrollbar_controller_->DidMouseMoveNear(0);
-  scrollbar_controller_->Animate(time);
-
-  // Should animate to darkened.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  // This is tricky. The DidMouseMoveOffScrollbar() is sent before the
-  // subsequent DidMouseMoveNear(), if the mouse moves in that direction.
-  // This results in the thumb thinning. We want to make sure that when the
-  // thumb starts expanding it doesn't first narrow to the idle thinness.
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->DidMouseMoveOffScrollbar();
-  scrollbar_controller_->Animate(time);
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  scrollbar_controller_->DidMouseMoveNear(1);
-  scrollbar_controller_->Animate(time);
-  // A new animation is kicked off.
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  // We will initiate the narrowing again, but it won't get decremented until
-  // the new animation catches up to it.
-  EXPECT_FLOAT_EQ(0.9f, scrollbar_layer_->opacity());
-  // Now the thickness should be increasing, but it shouldn't happen until the
-  // animation catches up.
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->opacity());
-  // The thickness now gets big again.
-  EXPECT_FLOAT_EQ(0.8f, scrollbar_layer_->thumb_thickness_scale_factor());
-
-  time += base::TimeDelta::FromSeconds(1);
-  scrollbar_controller_->Animate(time);
-  EXPECT_FLOAT_EQ(0.7f, scrollbar_layer_->opacity());
-  // The thickness now gets big again.
-  EXPECT_FLOAT_EQ(1.0f, scrollbar_layer_->thumb_thickness_scale_factor());
-}
-
-}  // namespace
-}  // namespace cc