switch to using native JSON object

chrome/renderer/extensions/extension_process_bindings.cc

 // Copyright (c) 2009 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/renderer/extensions/extension_process_bindings.h"
 
 #include "base/singleton.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/extensions/bindings_utils.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/extensions/renderer_extension_bindings.h"
 #include "chrome/renderer/js_only_v8_extensions.h"
 #include "chrome/renderer/render_view.h"
 #include "grit/renderer_resources.h"
 #include "webkit/api/public/WebScriptSource.h"
 #include "webkit/glue/webframe.h"
 
 using WebKit::WebScriptSource;
 using WebKit::WebString;
 
 namespace {
 
 const char kExtensionName[] = "chrome/ExtensionProcessBindings";
 const char* kExtensionDeps[] = {
   BaseJsV8Extension::kName,
   EventBindings::kName,
-  JsonJsV8Extension::kName,
   JsonSchemaJsV8Extension::kName,
   RendererExtensionBindings::kName,
 };
 
 // Types for storage of per-renderer-singleton data structure that maps
 // |extension_id| -> <List of v8 Contexts for the "views" of that extension>
 typedef std::list< v8::Persistent<v8::Context> > ContextList;
 typedef std::map<std::string, ContextList> ExtensionIdContextsMap;
 struct ExtensionViewContexts {
   ExtensionIdContextsMap contexts;
@@ skipping 169 matching lines @@
   ReplaceSubstringsAfterOffset(&code, offset, "'", "\\'");
   code += "', '";
   offset = code.length();
   code += error;
   ReplaceSubstringsAfterOffset(&code, offset, "\\", "\\\\");
   ReplaceSubstringsAfterOffset(&code, offset, "'", "\\'");
   code += "')";
 
   call->frame_->ExecuteScript(WebScriptSource(WebString::fromUTF8(code)));
 }