Remove parts of //cc we aren't using

cc/layers/content_layer.cc

Index: cc/layers/content_layer.cc
diff --git a/cc/layers/content_layer.cc b/cc/layers/content_layer.cc
deleted file mode 100644
index d1ff84259e3dc4a05e046b31256c1ecb216e19a1..0000000000000000000000000000000000000000
--- a/cc/layers/content_layer.cc
+++ /dev/null
@@ -1,138 +0,0 @@
-// Copyright 2010 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/layers/content_layer.h"
-
-#include "base/auto_reset.h"
-#include "base/metrics/histogram.h"
-#include "base/time/time.h"
-#include "cc/layers/content_layer_client.h"
-#include "cc/resources/bitmap_content_layer_updater.h"
-#include "cc/resources/bitmap_skpicture_content_layer_updater.h"
-#include "cc/resources/layer_painter.h"
-#include "cc/trees/layer_tree_host.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-
-namespace cc {
-
-ContentLayerPainter::ContentLayerPainter(ContentLayerClient* client)
-    : client_(client) {}
-
-scoped_ptr<ContentLayerPainter> ContentLayerPainter::Create(
-    ContentLayerClient* client) {
-  return make_scoped_ptr(new ContentLayerPainter(client));
-}
-
-void ContentLayerPainter::Paint(SkCanvas* canvas,
-                                const gfx::Rect& content_rect) {
-  client_->PaintContents(canvas, content_rect,
-                         ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
-}
-
-scoped_refptr<ContentLayer> ContentLayer::Create(ContentLayerClient* client) {
-  return make_scoped_refptr(new ContentLayer(client));
-}
-
-ContentLayer::ContentLayer(ContentLayerClient* client)
-    : TiledLayer(), client_(client) {
-}
-
-ContentLayer::~ContentLayer() {}
-
-void ContentLayer::ClearClient() {
-  client_ = nullptr;
-  UpdateDrawsContent(HasDrawableContent());
-}
-
-bool ContentLayer::HasDrawableContent() const {
-  return client_ && TiledLayer::HasDrawableContent();
-}
-
-void ContentLayer::SetLayerTreeHost(LayerTreeHost* host) {
-  TiledLayer::SetLayerTreeHost(host);
-
-  if (!updater_.get())
-    return;
-}
-
-void ContentLayer::SetTexturePriorities(
-    const PriorityCalculator& priority_calc) {
-  // Update the tile data before creating all the layer's tiles.
-  UpdateTileSizeAndTilingOption();
-
-  TiledLayer::SetTexturePriorities(priority_calc);
-}
-
-bool ContentLayer::Update(ResourceUpdateQueue* queue,
-                          const OcclusionTracker<Layer>* occlusion) {
-  {
-    base::AutoReset<bool> ignore_set_needs_commit(&ignore_set_needs_commit_,
-                                                  true);
-
-    CreateUpdaterIfNeeded();
-  }
-
-  bool updated = TiledLayer::Update(queue, occlusion);
-  return updated;
-}
-
-bool ContentLayer::NeedMoreUpdates() {
-  return NeedsIdlePaint();
-}
-
-LayerUpdater* ContentLayer::Updater() const {
-  return updater_.get();
-}
-
-void ContentLayer::CreateUpdaterIfNeeded() {
-  if (updater_.get())
-    return;
-  scoped_ptr<LayerPainter> painter = ContentLayerPainter::Create(client_);
-  if (layer_tree_host()->settings().per_tile_painting_enabled) {
-    updater_ = BitmapSkPictureContentLayerUpdater::Create(
-        painter.Pass(),
-        rendering_stats_instrumentation(),
-        id());
-  } else {
-    updater_ = BitmapContentLayerUpdater::Create(
-        painter.Pass(),
-        id());
-  }
-  updater_->SetOpaque(contents_opaque());
-  if (client_)
-    updater_->SetFillsBoundsCompletely(client_->FillsBoundsCompletely());
-  updater_->SetBackgroundColor(background_color());
-
-  SetTextureFormat(
-      layer_tree_host()->GetRendererCapabilities().best_texture_format);
-}
-
-void ContentLayer::SetContentsOpaque(bool opaque) {
-  Layer::SetContentsOpaque(opaque);
-  if (updater_.get())
-    updater_->SetOpaque(opaque);
-}
-
-skia::RefPtr<SkPicture> ContentLayer::GetPicture() const {
-  if (!DrawsContent())
-    return skia::RefPtr<SkPicture>();
-
-  int width = bounds().width();
-  int height = bounds().height();
-
-  SkPictureRecorder recorder;
-  SkCanvas* canvas = recorder.beginRecording(width, height, nullptr, 0);
-  client_->PaintContents(canvas, gfx::Rect(width, height),
-                         ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
-  skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
-  return picture;
-}
-
-void ContentLayer::OnOutputSurfaceCreated() {
-  SetTextureFormat(
-      layer_tree_host()->GetRendererCapabilities().best_texture_format);
-  TiledLayer::OnOutputSurfaceCreated();
-}
-
-}  // namespace cc