Add explicit base namespace to string16 users.

chrome/common/extensions/manifest_url_handler.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 CHROME_COMMON_EXTENSIONS_MANIFEST_URL_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_MANIFEST_URL_HANDLER_H_
 
 #include <string>
 
 #include "extensions/common/extension.h"
@@ skipping 49 matching lines @@
   // which override the handling of those URLs. (see ExtensionOverrideUI).
   URLOverrideMap chrome_url_overrides_;
 };
 
 // Parses the "devtools_page" manifest key.
 class DevToolsPageHandler : public ManifestHandler {
  public:
   DevToolsPageHandler();
   virtual ~DevToolsPageHandler();
 
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsPageHandler);
 };
 
 // Parses the "homepage_url" manifest key.
 class HomepageURLHandler : public ManifestHandler {
  public:
   HomepageURLHandler();
   virtual ~HomepageURLHandler();
 
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(HomepageURLHandler);
 };
 
 // Parses the "update_url" manifest key.
 class UpdateURLHandler : public ManifestHandler {
  public:
   UpdateURLHandler();
   virtual ~UpdateURLHandler();
 
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(UpdateURLHandler);
 };
 
 // Parses the "options_page" manifest key.
 class OptionsPageHandler : public ManifestHandler {
  public:
   OptionsPageHandler();
   virtual ~OptionsPageHandler();
 
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
   virtual bool Validate(const Extension* extension,
                         std::string* error,
                         std::vector<InstallWarning>* warnings) const OVERRIDE;
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsPageHandler);
 };
 
 // Parses the "chrome_url_overrides" manifest key.
 class URLOverridesHandler : public ManifestHandler {
  public:
   URLOverridesHandler();
   virtual ~URLOverridesHandler();
 
-  virtual bool Parse(Extension* extension, string16* error) OVERRIDE;
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
 
  private:
   virtual const std::vector<std::string> Keys() const OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(URLOverridesHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_URL_HANDLER_H_