Update some uses of Value in chrome/browser to use the base:: namespace.

chrome/browser/accessibility/accessibility_extension_api.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_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EXTENSION_API_H_
 #define CHROME_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EXTENSION_API_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 12 matching lines @@
 class ExtensionAccessibilityEventRouter {
  public:
   typedef base::Callback<void(ui::AccessibilityTypes::Event,
                               const AccessibilityControlInfo*)>
       ControlEventCallback;
   // Single instance of the event router.
   static ExtensionAccessibilityEventRouter* GetInstance();
 
   // Get the dict representing the last control that received an
   // OnControlFocus event.
-  DictionaryValue* last_focused_control_dict() {
+  base::DictionaryValue* last_focused_control_dict() {
     return &last_focused_control_dict_;
   }
 
   // Accessibility support is disabled until an extension expicitly enables
   // it, so that this extension api has no impact on Chrome's performance
   // otherwise.  These methods handle enabling, disabling, and querying the
   // status.
   void SetAccessibilityEnabled(bool enabled);
   bool IsAccessibilityEnabled() const;
 
@@ skipping 34 matching lines @@
   void OnControlFocused(const AccessibilityControlInfo* details);
   void OnControlAction(const AccessibilityControlInfo* details);
   void OnTextChanged(const AccessibilityControlInfo* details);
   void OnMenuOpened(const AccessibilityMenuInfo* details);
   void OnMenuClosed(const AccessibilityMenuInfo* details);
 
   void DispatchEvent(Profile* profile,
                      const char* event_name,
                      scoped_ptr<base::ListValue> event_args);
 
-  DictionaryValue last_focused_control_dict_;
+  base::DictionaryValue last_focused_control_dict_;
 
   bool enabled_;
 
   // For testing.
   ControlEventCallback control_event_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionAccessibilityEventRouter);
 };
 
 // API function that enables or disables accessibility support.  Event
@@ skipping 32 matching lines @@
 class AccessibilityGetAlertsForTabFunction
     : public ChromeSyncExtensionFunction {
   virtual ~AccessibilityGetAlertsForTabFunction() {}
   virtual bool RunImpl() OVERRIDE;
   DECLARE_EXTENSION_FUNCTION(
       "experimental.accessibility.getAlertsForTab",
       EXPERIMENTAL_ACCESSIBILITY_GETALERTSFORTAB)
 };
 
 #endif  // CHROME_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EXTENSION_API_H_