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

cc/layers/heads_up_display_layer_impl.cc

Index: cc/layers/heads_up_display_layer_impl.cc
diff --git a/cc/layers/heads_up_display_layer_impl.cc b/cc/layers/heads_up_display_layer_impl.cc
index be5af99c71edea84b8c11f2c2d4f5cddf675d94d..42d51fd616684e9e045a436534d6c0b3c967b2ea 100644
--- a/cc/layers/heads_up_display_layer_impl.cc
+++ b/cc/layers/heads_up_display_layer_impl.cc
@@ -591,6 +591,8 @@ void HeadsUpDisplayLayerImpl::DrawDebugRects(
     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;
@@ -600,8 +602,9 @@ void HeadsUpDisplayLayerImpl::DrawDebugRects(
 
     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: