BrowserFontResource should not push opacity info to Blink

content/child/browser_font_resource_trusted.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 CONTENT_CHILD_BROWSER_FONT_RESOURCE_TRUSTED_H_
 #define CONTENT_CHILD_BROWSER_FONT_RESOURCE_TRUSTED_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 47 matching lines @@
                                   uint32_t char_offset) override;
 
  private:
   ~BrowserFontResource_Trusted() override;
 
   // Internal version of DrawTextAt that takes a mapped PlatformCanvas.
   void DrawTextToCanvas(SkCanvas* destination,
                         const PP_BrowserFont_Trusted_TextRun& text,
                         const PP_Point* position,
                         uint32_t color,
-                        const PP_Rect* clip,
-                        PP_Bool image_data_is_opaque);
+                        const PP_Rect* clip);
 
  private:
   scoped_ptr<blink::WebFont> font_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserFontResource_Trusted);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BROWSER_FONT_RESOURCE_TRUSTED_H_