Remove parts of //cc we aren't using

cc/resources/display_list_raster_source.cc

-// Copyright 2014 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/resources/display_list_raster_source.h"
-
-#include "base/trace_event/trace_event.h"
-#include "cc/base/region.h"
-#include "cc/debug/debug_colors.h"
-#include "cc/resources/display_item_list.h"
-#include "cc/resources/raster_source_helper.h"
-#include "skia/ext/analysis_canvas.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-#include "ui/gfx/geometry/rect_conversions.h"
-
-namespace {
-
-#ifdef NDEBUG
-const bool kDefaultClearCanvasSetting = false;
-#else
-const bool kDefaultClearCanvasSetting = true;
-#endif
-
-}  // namespace
-
-namespace cc {
-
-scoped_refptr<DisplayListRasterSource>
-DisplayListRasterSource::CreateFromDisplayListRecordingSource(
-    const DisplayListRecordingSource* other,
-    bool can_use_lcd_text) {
-  return make_scoped_refptr(
-      new DisplayListRasterSource(other, can_use_lcd_text));
-}
-
-DisplayListRasterSource::DisplayListRasterSource()
-    : background_color_(SK_ColorTRANSPARENT),
-      requires_clear_(true),
-      can_use_lcd_text_(true),
-      is_solid_color_(false),
-      solid_color_(SK_ColorTRANSPARENT),
-      clear_canvas_with_debug_color_(kDefaultClearCanvasSetting),
-      slow_down_raster_scale_factor_for_debug_(0),
-      should_attempt_to_use_distance_field_text_(false) {
-}
-
-DisplayListRasterSource::DisplayListRasterSource(
-    const DisplayListRecordingSource* other,
-    bool can_use_lcd_text)
-    : display_list_(other->display_list_),
-      background_color_(other->background_color_),
-      requires_clear_(other->requires_clear_),
-      can_use_lcd_text_(can_use_lcd_text),
-      is_solid_color_(other->is_solid_color_),
-      solid_color_(other->solid_color_),
-      recorded_viewport_(other->recorded_viewport_),
-      size_(other->size_),
-      clear_canvas_with_debug_color_(kDefaultClearCanvasSetting),
-      slow_down_raster_scale_factor_for_debug_(
-          other->slow_down_raster_scale_factor_for_debug_),
-      should_attempt_to_use_distance_field_text_(false) {
-}
-
-DisplayListRasterSource::DisplayListRasterSource(
-    const DisplayListRasterSource* other,
-    bool can_use_lcd_text)
-    : display_list_(other->display_list_),
-      background_color_(other->background_color_),
-      requires_clear_(other->requires_clear_),
-      can_use_lcd_text_(can_use_lcd_text),
-      is_solid_color_(other->is_solid_color_),
-      solid_color_(other->solid_color_),
-      recorded_viewport_(other->recorded_viewport_),
-      size_(other->size_),
-      clear_canvas_with_debug_color_(kDefaultClearCanvasSetting),
-      slow_down_raster_scale_factor_for_debug_(
-          other->slow_down_raster_scale_factor_for_debug_),
-      should_attempt_to_use_distance_field_text_(
-          other->should_attempt_to_use_distance_field_text_) {
-}
-
-DisplayListRasterSource::~DisplayListRasterSource() {
-}
-
-void DisplayListRasterSource::PlaybackToSharedCanvas(
-    SkCanvas* canvas,
-    const gfx::Rect& canvas_rect,
-    float contents_scale) const {
-  RasterCommon(canvas, NULL, canvas_rect, contents_scale);
-}
-
-void DisplayListRasterSource::RasterForAnalysis(skia::AnalysisCanvas* canvas,
-                                                const gfx::Rect& canvas_rect,
-                                                float contents_scale) const {
-  RasterCommon(canvas, canvas, canvas_rect, contents_scale);
-}
-
-void DisplayListRasterSource::PlaybackToCanvas(SkCanvas* canvas,
-                                               const gfx::Rect& canvas_rect,
-                                               float contents_scale) const {
-  RasterSourceHelper::PrepareForPlaybackToCanvas(
-      canvas, canvas_rect, gfx::Rect(size_), contents_scale, background_color_,
-      clear_canvas_with_debug_color_, requires_clear_);
-
-  RasterCommon(canvas, NULL, canvas_rect, contents_scale);
-}
-
-void DisplayListRasterSource::RasterCommon(SkCanvas* canvas,
-                                           SkDrawPictureCallback* callback,
-                                           const gfx::Rect& canvas_rect,
-                                           float contents_scale) const {
-  canvas->translate(-canvas_rect.x(), -canvas_rect.y());
-  gfx::Rect content_rect =
-      gfx::ToEnclosingRect(gfx::ScaleRect(gfx::Rect(size_), contents_scale));
-  content_rect.Intersect(canvas_rect);
-
-  canvas->clipRect(gfx::RectToSkRect(content_rect), SkRegion::kIntersect_Op);
-
-  DCHECK(display_list_.get());
-  display_list_->Raster(canvas, callback, contents_scale);
-}
-
-skia::RefPtr<SkPicture> DisplayListRasterSource::GetFlattenedPicture() {
-  TRACE_EVENT0("cc", "DisplayListRasterSource::GetFlattenedPicture");
-
-  gfx::Rect display_list_rect(size_);
-  SkPictureRecorder recorder;
-  SkCanvas* canvas = recorder.beginRecording(display_list_rect.width(),
-                                             display_list_rect.height());
-  if (!display_list_rect.IsEmpty())
-    PlaybackToCanvas(canvas, display_list_rect, 1.0);
-  skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording());
-
-  return picture;
-}
-
-size_t DisplayListRasterSource::GetPictureMemoryUsage() const {
-  return display_list_->PictureMemoryUsage();
-}
-
-void DisplayListRasterSource::PerformSolidColorAnalysis(
-    const gfx::Rect& content_rect,
-    float contents_scale,
-    RasterSource::SolidColorAnalysis* analysis) const {
-  DCHECK(analysis);
-  TRACE_EVENT0("cc", "DisplayListRasterSource::PerformSolidColorAnalysis");
-
-  gfx::Rect layer_rect =
-      gfx::ScaleToEnclosingRect(content_rect, 1.0f / contents_scale);
-
-  layer_rect.Intersect(gfx::Rect(size_));
-  skia::AnalysisCanvas canvas(layer_rect.width(), layer_rect.height());
-  RasterForAnalysis(&canvas, layer_rect, 1.0f);
-  analysis->is_solid_color = canvas.GetColorIfSolid(&analysis->solid_color);
-}
-
-void DisplayListRasterSource::GatherPixelRefs(
-    const gfx::Rect& content_rect,
-    float contents_scale,
-    std::vector<SkPixelRef*>* pixel_refs) const {
-  // TODO(ajuma): Implement this.
-}
-
-bool DisplayListRasterSource::CoversRect(const gfx::Rect& content_rect,
-                                         float contents_scale) const {
-  if (size_.IsEmpty())
-    return false;
-  gfx::Rect layer_rect =
-      gfx::ScaleToEnclosingRect(content_rect, 1.f / contents_scale);
-  layer_rect.Intersect(gfx::Rect(size_));
-
-  return recorded_viewport_.Contains(layer_rect);
-}
-
-gfx::Size DisplayListRasterSource::GetSize() const {
-  return size_;
-}
-
-bool DisplayListRasterSource::IsSolidColor() const {
-  return is_solid_color_;
-}
-
-SkColor DisplayListRasterSource::GetSolidColor() const {
-  DCHECK(IsSolidColor());
-  return solid_color_;
-}
-
-bool DisplayListRasterSource::HasRecordings() const {
-  return !!display_list_.get();
-}
-
-void DisplayListRasterSource::SetShouldAttemptToUseDistanceFieldText() {
-  should_attempt_to_use_distance_field_text_ = true;
-}
-
-bool DisplayListRasterSource::ShouldAttemptToUseDistanceFieldText() const {
-  return should_attempt_to_use_distance_field_text_;
-}
-
-void DisplayListRasterSource::AsValueInto(
-    base::trace_event::TracedValue* array) const {
-  if (display_list_.get())
-    TracedValue::AppendIDRef(display_list_.get(), array);
-}
-
-void DisplayListRasterSource::DidBeginTracing() {
-  if (display_list_.get())
-    display_list_->EmitTraceSnapshot();
-}
-
-bool DisplayListRasterSource::CanUseLCDText() const {
-  return can_use_lcd_text_;
-}
-
-scoped_refptr<RasterSource> DisplayListRasterSource::CreateCloneWithoutLCDText()
-    const {
-  bool can_use_lcd_text = false;
-  return scoped_refptr<RasterSource>(
-      new DisplayListRasterSource(this, can_use_lcd_text));
-}
-
-}  // namespace cc