Stop using chrome/browser/ui/views/bubble/bubble.h in fullscreen exit bubble.

chrome/browser/ui/views/fullscreen_exit_bubble_views.cc

Index: chrome/browser/ui/views/fullscreen_exit_bubble_views.cc
diff --git a/chrome/browser/ui/views/fullscreen_exit_bubble_views.cc b/chrome/browser/ui/views/fullscreen_exit_bubble_views.cc
index 1fe63911c0db2c8cdf0a31c19aa7ede8ddf1b405..bc8a848db527c685b9ca5775999c9079c2c719f4 100644
--- a/chrome/browser/ui/views/fullscreen_exit_bubble_views.cc
+++ b/chrome/browser/ui/views/fullscreen_exit_bubble_views.cc
@@ -7,7 +7,6 @@
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
-#include "chrome/browser/ui/views/bubble/bubble.h"
 #include "grit/generated_resources.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/keycodes/keyboard_codes.h"
@@ -81,7 +80,6 @@ FullscreenExitBubbleViews::FullscreenExitView::FullscreenExitView(
 
   views::BubbleBorder* bubble_border =
       new views::BubbleBorder(views::BubbleBorder::NONE);
-  bubble_border->set_background_color(Bubble::kBackgroundColor);
   set_background(new views::BubbleBackground(bubble_border));
   set_border(bubble_border);
   set_focusable(false);
@@ -222,6 +220,7 @@ FullscreenExitBubbleViews::FullscreenExitBubbleViews(
   view_ = new FullscreenExitView(
       this, accelerator.GetShortcutText(), url, bubble_type_);
 
+  // TODO(yzshen): Change to use the new views bubble, BubbleDelegateView.
   // Initialize the popup.
   popup_ = new views::Widget;
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_POPUP);