DevTools: Change paint rectangles' colors in compositor to shades of green.

cc/layers/heads_up_display_layer_impl.cc

 // Copyright 2012 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/heads_up_display_layer_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/strings/stringprintf.h"
@@ skipping 573 matching lines @@
   DrawGraphLines(canvas, &paint, graph_bounds, paint_time_graph_);
 
   return area;
 }
 
 void HeadsUpDisplayLayerImpl::DrawDebugRects(
     SkCanvas* canvas,
     DebugRectHistory* debug_rect_history) const {
   const std::vector<DebugRect>& debug_rects = debug_rect_history->debug_rects();
   SkPaint paint = CreatePaint();
+  static int s_currentPaintRectColor = 0;

[danakj, 2014/01/30 20:20:38]

any reason why this is a static variable instead of just a member variable on
the class?

+  s_currentPaintRectColor++;
 
   for (size_t i = 0; i < debug_rects.size(); ++i) {
     SkColor stroke_color = 0;
     SkColor fill_color = 0;
     float stroke_width = 0.f;
     std::string label_text;
 
     switch (debug_rects[i].type) {
       case PAINT_RECT_TYPE:
-        stroke_color = DebugColors::PaintRectBorderColor();
-        fill_color = DebugColors::PaintRectFillColor();
+        stroke_color =
+            DebugColors::PaintRectBorderColor(s_currentPaintRectColor);
+        fill_color = DebugColors::PaintRectFillColor(s_currentPaintRectColor);
         stroke_width = DebugColors::PaintRectBorderWidth();
         break;
       case PROPERTY_CHANGED_RECT_TYPE:
         stroke_color = DebugColors::PropertyChangedRectBorderColor();
         fill_color = DebugColors::PropertyChangedRectFillColor();
         stroke_width = DebugColors::PropertyChangedRectBorderWidth();
         break;
       case SURFACE_DAMAGE_RECT_TYPE:
         stroke_color = DebugColors::SurfaceDamageRectBorderColor();
         fill_color = DebugColors::SurfaceDamageRectFillColor();
@@ skipping 93 matching lines @@
 const char* HeadsUpDisplayLayerImpl::LayerTypeAsString() const {
   return "cc::HeadsUpDisplayLayerImpl";
 }
 
 void HeadsUpDisplayLayerImpl::AsValueInto(base::DictionaryValue* dict) const {
   LayerImpl::AsValueInto(dict);
   dict->SetString("layer_name", "Heads Up Display Layer");
 }
 
 }  // namespace cc