Change the signature of JSONReader::Read() and related methods to be more

chrome/browser/dom_ui/dom_ui_host.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/browser/dom_ui/dom_ui_host.h"
 
 #include "base/json_reader.h"
 #include "base/json_writer.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/navigation_entry.h"
@@ skipping 60 matching lines @@
 }
 
 void DOMUIHost::ProcessDOMUIMessage(const std::string& message,
                                     const std::string& content) {
   // Look up the callback for this message.
   MessageCallbackMap::const_iterator callback = message_callbacks_.find(message);
   if (callback == message_callbacks_.end())
     return;
 
   // Convert the content JSON into a Value.
-  Value* value = NULL;
+  scoped_ptr<Value> value;
   if (!content.empty()) {
-    if (!JSONReader::Read(content, &value, false)) {
+    value.reset(JSONReader::Read(content, false));
+    if (!value.get()) {
       // The page sent us something that we didn't understand.
       // This probably indicates a programming error.
       NOTREACHED();
       return;
     }
   }
 
   // Forward this message and content on.
-  callback->second->Run(value);
-  delete value;
+  callback->second->Run(value.get());
 }
 
 WebPreferences DOMUIHost::GetWebkitPrefs() {
   // Get the users preferences then force image loading to always be on.
   WebPreferences web_prefs = WebContents::GetWebkitPrefs();
   web_prefs.loads_images_automatically = true;
 
   return web_prefs;
 }
 
 void DOMUIHost::ExecuteJavascript(const std::wstring& javascript) {
   render_view_host()->ExecuteJavascriptInWebFrame(std::wstring(), javascript);
 }