Remove BubbleDelegateView ctor color arg, add simple setter/getter.

ui/views/examples/bubble_example.cc

Index: ui/views/examples/bubble_example.cc
diff --git a/ui/views/examples/bubble_example.cc b/ui/views/examples/bubble_example.cc
index b2b10177e4da719149c25b0f3cbec168ecfaae8e..c562315886509258fdfe17ff98a3742434bde060 100644
--- a/ui/views/examples/bubble_example.cc
+++ b/ui/views/examples/bubble_example.cc
@@ -38,8 +38,10 @@ BubbleConfig kFadeOutConfig = { ASCIIToUTF16("FadeOut"), SK_ColorWHITE, NULL,
 class ExampleBubbleDelegateView : public BubbleDelegateView {
  public:
   ExampleBubbleDelegateView(const BubbleConfig& config)
-      : BubbleDelegateView(config.anchor_view, config.arrow, config.color),
-        label_(config.label) {}
+      : BubbleDelegateView(config.anchor_view, config.arrow),
+        label_(config.label) {
+    set_color(config.color);
+  }
 
  protected:
   virtual void Init() OVERRIDE {