Remove unused and unnecessary constructor from PlatformFont classes.

ui/gfx/platform_font_android.cc

 // 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.
 
 #include "ui/gfx/platform_font.h"
 
 #include "base/logging.h"
 
 namespace gfx {
 
 // static
 PlatformFont* PlatformFont::CreateDefault() {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 // static
-PlatformFont* PlatformFont::CreateFromFont(const Font& other) {
-  NOTIMPLEMENTED();
-  return NULL;
-}
-
-// static
 PlatformFont* PlatformFont::CreateFromNativeFont(NativeFont native_font) {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 // static
 PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name,
                                                   int font_size) {
   NOTIMPLEMENTED();
   return NULL;
 }
 
 } // namespace gfx