cc: Create cc::DebugColors class to hold all the debugging color/width constants.

cc/layer_impl.cc

 // Copyright 2011 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/layer_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "base/stringprintf.h"
 #include "cc/debug_border_draw_quad.h"
+#include "cc/debug_colors.h"
 #include "cc/geometry.h"
 #include "cc/layer_sorter.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/math_util.h"
 #include "cc/proxy.h"
 #include "cc/quad_sink.h"
 #include "cc/scrollbar_animation_controller.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/rect_conversions.h"
@@ skipping 127 matching lines @@
 bool LayerImpl::showDebugBorders() const
 {
     if (!m_layerTreeHostImpl)
         return false;
     return m_layerTreeHostImpl->settings().showDebugBorders;
 }
 
 void LayerImpl::getDebugBorderProperties(SkColor* color, float* width) const
 {
     if (m_drawsContent) {
-        // Non-tiled content layers are green.
-        *color = SkColorSetARGB(128, 0, 128, 32);
-        *width = 2;
+        *color = DebugColors::ContentLayerBorderColor();
+        *width = DebugColors::ContentLayerBorderWidth(m_layerTreeHostImpl);
         return;
     }
 
     if (m_masksToBounds) {
-        // Masking layers are pale blue.
-        *color = SkColorSetARGB(48, 128, 255, 255);
-        *width = 20;
+        *color = DebugColors::MaskingLayerBorderColor();
+        *width = DebugColors::MaskingLayerBorderWidth(m_layerTreeHostImpl);
         return;
     }
 
-    // Other container layers are yellow.
-    *color = SkColorSetARGB(192, 255, 255, 0);
-    *width = 2;
+    *color = DebugColors::ContainerLayerBorderColor();
+    *width = DebugColors::ContainerLayerBorderWidth(m_layerTreeHostImpl);
 }
 
 void LayerImpl::appendDebugBorderQuad(QuadSink& quadList, const SharedQuadState* sharedQuadState, AppendQuadsData& appendQuadsData) const
 {
     if (!showDebugBorders())
         return;
 
     SkColor color;
     float width;
     getDebugBorderProperties(&color, &width);
@@ skipping 529 matching lines @@
 
 void LayerImpl::setVerticalScrollbarLayer(ScrollbarLayerImpl* scrollbarLayer)
 {
     if (!m_scrollbarAnimationController)
         m_scrollbarAnimationController = ScrollbarAnimationController::create(this);
     m_scrollbarAnimationController->setVerticalScrollbarLayer(scrollbarLayer);
     m_scrollbarAnimationController->updateScrollOffset(this);
 }
 
 }  // namespace cc