Make resource_bundle compile on Linux.

chrome/common/gfx/chrome_font_skia.cc

 // Copyright (c) 2006-2008 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 "chrome/common/gfx/chrome_font.h"
 
 #include "base/logging.h"
 #include "base/sys_string_conversions.h"
 
 #include "skia/include/SkTypeface.h"
 #include "skia/include/SkPaint.h"
 
 ChromeFont::ChromeFont(const ChromeFont& other) {
   CopyChromeFont(other);
 }
 
+ChromeFont& ChromeFont::operator=(const ChromeFont& other) {
+  CopyChromeFont(other);
+  return *this;
+}
+
 ChromeFont::ChromeFont(SkTypeface* tf, const std::wstring& font_name,
                        int font_size, int style)
     : typeface_helper_(new SkAutoUnref(tf)),
       typeface_(tf),
       font_name_(font_name),
       font_size_(font_size),
       style_(style) {
   calculateMetrics();
 }
 
@@ skipping 115 matching lines @@
   return font_name_;
 }
 
 int ChromeFont::FontSize() {
   return font_size_;
 }
 
 NativeFont ChromeFont::nativeFont() const {
   return typeface_;
 }