[Views] Add a capability to the bubble delegate to be able to show the title in BaseFont.

ui/views/bubble/bubble_frame_view.h

 // Copyright (c) 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.
 
 #ifndef UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
@@ skipping 25 matching lines @@
   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
   virtual gfx::Rect GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const OVERRIDE;
   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
   virtual void GetWindowMask(const gfx::Size& size,
                              gfx::Path* window_mask) OVERRIDE;
   virtual void ResetWindowControls() OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
 
+  // Use BaseFont for the bubble title label.
+  void ShowTitleInBaseFont();

[msw, 2014/06/10 18:16:05]

How about SetTitleFontList?

+
   // View overrides:
   virtual gfx::Insets GetInsets() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual gfx::Size GetMinimumSize() const OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
   virtual void OnThemeChanged() OVERRIDE;
   virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) OVERRIDE;
 
@@ skipping 49 matching lines @@
   // When supplied, this view is placed in the titlebar between the title and
   // (x) close button.
   View* titlebar_extra_view_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleFrameView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_FRAME_VIEW_H_