Bug 1166942 - Add logging of color layer bounds. r=nical

gfx/layers/Layers.cpp

@@ -1796,6 +1796,7 @@ ColorLayer::PrintInfo(std::stringstream& aStream, const char* aPrefix)
 {
   Layer::PrintInfo(aStream, aPrefix);
   AppendToString(aStream, mColor, " [color=", "]");
+  AppendToString(aStream, mBounds, " [bounds=", "]");
 }
 
 void