Remove parts of //cc we aren't using

cc/layers/solid_color_scrollbar_layer.cc

Index: cc/layers/solid_color_scrollbar_layer.cc
diff --git a/cc/layers/solid_color_scrollbar_layer.cc b/cc/layers/solid_color_scrollbar_layer.cc
deleted file mode 100644
index b2c1ed495f0c18d97864202e517efb1eaec1b1fd..0000000000000000000000000000000000000000
--- a/cc/layers/solid_color_scrollbar_layer.cc
+++ /dev/null
@@ -1,103 +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/layers/solid_color_scrollbar_layer.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/layers/layer_impl.h"
-#include "cc/layers/solid_color_scrollbar_layer_impl.h"
-
-namespace cc {
-
-scoped_ptr<LayerImpl> SolidColorScrollbarLayer::CreateLayerImpl(
-    LayerTreeImpl* tree_impl) {
-  const bool kIsOverlayScrollbar = true;
-  return SolidColorScrollbarLayerImpl::Create(tree_impl,
-                                              id(),
-                                              orientation(),
-                                              thumb_thickness_,
-                                              track_start_,
-                                              is_left_side_vertical_scrollbar_,
-                                              kIsOverlayScrollbar);
-}
-
-scoped_refptr<SolidColorScrollbarLayer> SolidColorScrollbarLayer::Create(
-    ScrollbarOrientation orientation,
-    int thumb_thickness,
-    int track_start,
-    bool is_left_side_vertical_scrollbar,
-    int scroll_layer_id) {
-  return make_scoped_refptr(
-      new SolidColorScrollbarLayer(orientation,
-                                   thumb_thickness,
-                                   track_start,
-                                   is_left_side_vertical_scrollbar,
-                                   scroll_layer_id));
-}
-
-SolidColorScrollbarLayer::SolidColorScrollbarLayer(
-    ScrollbarOrientation orientation,
-    int thumb_thickness,
-    int track_start,
-    bool is_left_side_vertical_scrollbar,
-    int scroll_layer_id)
-    : scroll_layer_id_(Layer::INVALID_ID),
-      clip_layer_id_(scroll_layer_id),
-      orientation_(orientation),
-      thumb_thickness_(thumb_thickness),
-      track_start_(track_start),
-      is_left_side_vertical_scrollbar_(is_left_side_vertical_scrollbar) {}
-
-SolidColorScrollbarLayer::~SolidColorScrollbarLayer() {}
-
-ScrollbarLayerInterface* SolidColorScrollbarLayer::ToScrollbarLayer() {
-  return this;
-}
-
-void SolidColorScrollbarLayer::PushPropertiesTo(LayerImpl* layer) {
-  Layer::PushPropertiesTo(layer);
-  PushScrollClipPropertiesTo(layer);
-}
-
-void SolidColorScrollbarLayer::PushScrollClipPropertiesTo(LayerImpl* layer) {
-  SolidColorScrollbarLayerImpl* scrollbar_layer =
-      static_cast<SolidColorScrollbarLayerImpl*>(layer);
-
-  scrollbar_layer->SetScrollLayerAndClipLayerByIds(scroll_layer_id_,
-                                                   clip_layer_id_);
-}
-
-void SolidColorScrollbarLayer::SetNeedsDisplayRect(const gfx::Rect& rect) {
-  // Never needs repaint.
-}
-
-bool SolidColorScrollbarLayer::OpacityCanAnimateOnImplThread() const {
-  return true;
-}
-
-int SolidColorScrollbarLayer::ScrollLayerId() const {
-  return scroll_layer_id_;
-}
-
-void SolidColorScrollbarLayer::SetScrollLayer(int layer_id) {
-  if (layer_id == scroll_layer_id_)
-    return;
-
-  scroll_layer_id_ = layer_id;
-  SetNeedsFullTreeSync();
-}
-
-void SolidColorScrollbarLayer::SetClipLayer(int layer_id) {
-  if (layer_id == clip_layer_id_)
-    return;
-
-  clip_layer_id_ = layer_id;
-  SetNeedsFullTreeSync();
-}
-
-ScrollbarOrientation SolidColorScrollbarLayer::orientation() const {
-  return orientation_;
-}
-
-}  // namespace cc