Remove parts of //cc we aren't using

cc/test/fake_layer_tree_host_impl.cc

Index: cc/test/fake_layer_tree_host_impl.cc
diff --git a/cc/test/fake_layer_tree_host_impl.cc b/cc/test/fake_layer_tree_host_impl.cc
deleted file mode 100644
index d026120ab18c2afe658b2a9de77e94c51a219b3d..0000000000000000000000000000000000000000
--- a/cc/test/fake_layer_tree_host_impl.cc
+++ /dev/null
@@ -1,97 +0,0 @@
-// Copyright 2012 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/test/begin_frame_args_test.h"
-#include "cc/test/fake_layer_tree_host_impl.h"
-#include "cc/test/test_shared_bitmap_manager.h"
-#include "cc/trees/layer_tree_impl.h"
-
-namespace cc {
-
-FakeLayerTreeHostImpl::FakeLayerTreeHostImpl(Proxy* proxy,
-                                             SharedBitmapManager* manager,
-                                             TaskGraphRunner* task_graph_runner)
-    : LayerTreeHostImpl(LayerTreeSettings(),
-                        &client_,
-                        proxy,
-                        &stats_instrumentation_,
-                        manager,
-                        NULL,
-                        task_graph_runner,
-                        0) {
-  // Explicitly clear all debug settings.
-  SetDebugState(LayerTreeDebugState());
-  SetViewportSize(gfx::Size(100, 100));
-
-  // Avoid using Now() as the frame time in unit tests.
-  base::TimeTicks time_ticks = base::TimeTicks::FromInternalValue(1);
-  SetCurrentBeginFrameArgs(
-      CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, time_ticks));
-}
-
-FakeLayerTreeHostImpl::FakeLayerTreeHostImpl(const LayerTreeSettings& settings,
-                                             Proxy* proxy,
-                                             SharedBitmapManager* manager,
-                                             TaskGraphRunner* task_graph_runner)
-    : LayerTreeHostImpl(settings,
-                        &client_,
-                        proxy,
-                        &stats_instrumentation_,
-                        manager,
-                        NULL,
-                        task_graph_runner,
-                        0) {
-  // Explicitly clear all debug settings.
-  SetDebugState(LayerTreeDebugState());
-
-  // Avoid using Now() as the frame time in unit tests.
-  base::TimeTicks time_ticks = base::TimeTicks::FromInternalValue(1);
-  SetCurrentBeginFrameArgs(
-      CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE, time_ticks));
-}
-
-FakeLayerTreeHostImpl::~FakeLayerTreeHostImpl() {}
-
-void FakeLayerTreeHostImpl::CreatePendingTree() {
-  LayerTreeHostImpl::CreatePendingTree();
-  float arbitrary_large_page_scale = 100000.f;
-  pending_tree()->PushPageScaleFromMainThread(
-      1.f, 1.f / arbitrary_large_page_scale, arbitrary_large_page_scale);
-}
-
-BeginFrameArgs FakeLayerTreeHostImpl::CurrentBeginFrameArgs() const {
-  if (!current_begin_frame_args_.IsValid())
-    return LayerTreeHostImpl::CurrentBeginFrameArgs();
-  return current_begin_frame_args_;
-}
-
-void FakeLayerTreeHostImpl::SetCurrentBeginFrameArgs(
-    const BeginFrameArgs& args) {
-  current_begin_frame_args_ = args;
-}
-
-int FakeLayerTreeHostImpl::RecursiveUpdateNumChildren(LayerImpl* layer) {
-  int num_children_that_draw_content = 0;
-  for (size_t i = 0; i < layer->children().size(); ++i) {
-    num_children_that_draw_content +=
-        RecursiveUpdateNumChildren(layer->children()[i]);
-  }
-  if (layer->DrawsContent() && layer->HasDelegatedContent())
-    num_children_that_draw_content += 1000;
-  layer->SetNumDescendantsThatDrawContent(num_children_that_draw_content);
-  return num_children_that_draw_content + (layer->DrawsContent() ? 1 : 0);
-}
-
-void FakeLayerTreeHostImpl::UpdateNumChildrenAndDrawPropertiesForActiveTree() {
-  UpdateNumChildrenAndDrawProperties(active_tree());
-}
-
-void FakeLayerTreeHostImpl::UpdateNumChildrenAndDrawProperties(
-    LayerTreeImpl* layerTree) {
-  RecursiveUpdateNumChildren(layerTree->root_layer());
-  bool update_lcd_text = false;
-  layerTree->UpdateDrawProperties(update_lcd_text);
-}
-
-}  // namespace cc