Remove parts of //cc we aren't using

cc/layers/solid_color_scrollbar_layer_impl.cc

Index: cc/layers/solid_color_scrollbar_layer_impl.cc
diff --git a/cc/layers/solid_color_scrollbar_layer_impl.cc b/cc/layers/solid_color_scrollbar_layer_impl.cc
deleted file mode 100644
index fa1849e86e82e6b429b0786caa1a8da94503051b..0000000000000000000000000000000000000000
--- a/cc/layers/solid_color_scrollbar_layer_impl.cc
+++ /dev/null
@@ -1,119 +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_impl.h"
-#include "cc/quads/solid_color_draw_quad.h"
-#include "cc/trees/layer_tree_impl.h"
-#include "cc/trees/layer_tree_settings.h"
-#include "cc/trees/occlusion.h"
-
-namespace cc {
-
-scoped_ptr<SolidColorScrollbarLayerImpl> SolidColorScrollbarLayerImpl::Create(
-    LayerTreeImpl* tree_impl,
-    int id,
-    ScrollbarOrientation orientation,
-    int thumb_thickness,
-    int track_start,
-    bool is_left_side_vertical_scrollbar,
-    bool is_overlay) {
-  return make_scoped_ptr(
-      new SolidColorScrollbarLayerImpl(tree_impl,
-                                       id,
-                                       orientation,
-                                       thumb_thickness,
-                                       track_start,
-                                       is_left_side_vertical_scrollbar,
-                                       is_overlay));
-}
-
-SolidColorScrollbarLayerImpl::~SolidColorScrollbarLayerImpl() {}
-
-scoped_ptr<LayerImpl> SolidColorScrollbarLayerImpl::CreateLayerImpl(
-    LayerTreeImpl* tree_impl) {
-  return SolidColorScrollbarLayerImpl::Create(tree_impl,
-                                              id(),
-                                              orientation(),
-                                              thumb_thickness_,
-                                              track_start_,
-                                              is_left_side_vertical_scrollbar(),
-                                              is_overlay_scrollbar());
-}
-
-SolidColorScrollbarLayerImpl::SolidColorScrollbarLayerImpl(
-    LayerTreeImpl* tree_impl,
-    int id,
-    ScrollbarOrientation orientation,
-    int thumb_thickness,
-    int track_start,
-    bool is_left_side_vertical_scrollbar,
-    bool is_overlay)
-    : ScrollbarLayerImplBase(tree_impl,
-                             id,
-                             orientation,
-                             is_left_side_vertical_scrollbar,
-                             is_overlay),
-      thumb_thickness_(thumb_thickness),
-      track_start_(track_start),
-      color_(tree_impl->settings().solid_color_scrollbar_color) {
-  SetOpacity(0.f);
-}
-
-void SolidColorScrollbarLayerImpl::PushPropertiesTo(LayerImpl* layer) {
-  ScrollbarLayerImplBase::PushPropertiesTo(layer);
-}
-
-int SolidColorScrollbarLayerImpl::ThumbThickness() const {
-  if (thumb_thickness_ != -1)
-    return thumb_thickness_;
-
-  if (orientation() == HORIZONTAL)
-    return bounds().height();
-  else
-    return bounds().width();
-}
-
-int SolidColorScrollbarLayerImpl::ThumbLength() const {
-  return std::max(
-      static_cast<int>(visible_to_total_length_ratio() * TrackLength()),
-      ThumbThickness());
-}
-
-float SolidColorScrollbarLayerImpl::TrackLength() const {
-  if (orientation() == HORIZONTAL)
-    return bounds().width() - TrackStart() * 2;
-  else
-    return bounds().height() + vertical_adjust() - TrackStart() * 2;
-}
-
-int SolidColorScrollbarLayerImpl::TrackStart() const { return track_start_; }
-
-bool SolidColorScrollbarLayerImpl::IsThumbResizable() const {
-  return true;
-}
-
-void SolidColorScrollbarLayerImpl::AppendQuads(
-    RenderPass* render_pass,
-    AppendQuadsData* append_quads_data) {
-  SharedQuadState* shared_quad_state =
-      render_pass->CreateAndAppendSharedQuadState();
-  PopulateSharedQuadState(shared_quad_state);
-
-  AppendDebugBorderQuad(
-      render_pass, content_bounds(), shared_quad_state, append_quads_data);
-
-  gfx::Rect thumb_quad_rect(ComputeThumbQuadRect());
-  gfx::Rect visible_quad_rect =
-      draw_properties().occlusion_in_content_space.GetUnoccludedContentRect(
-          thumb_quad_rect);
-  if (visible_quad_rect.IsEmpty())
-    return;
-
-  SolidColorDrawQuad* quad =
-      render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
-  quad->SetNew(
-      shared_quad_state, thumb_quad_rect, visible_quad_rect, color_, false);
-}
-
-}  // namespace cc