Make a process-wide cache for the v8::Value representation of extension APIs.

chrome/renderer/extensions/extension_dispatcher.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_RENDERER_EXTENSIONS_EXTENSION_DISPATCHER_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_DISPATCHER_H_
 #pragma once
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/common/extensions/feature.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
+#include "chrome/renderer/extensions/v8_schema_registry.h"
 #include "chrome/renderer/resource_bundle_source_map.h"
 #include "v8/include/v8.h"
 
 class ModuleSystem;
 class GURL;
 class URLPattern;
 class UserScriptSlave;
 struct ExtensionMsg_Loaded_Params;
 
 namespace WebKit {
@@ skipping 18 matching lines @@
   const std::set<std::string>& function_names() const {
     return function_names_;
   }
 
   bool is_extension_process() const { return is_extension_process_; }
   const ExtensionSet* extensions() const { return &extensions_; }
   const ChromeV8ContextSet& v8_context_set() const {
     return v8_context_set_;
   }
   UserScriptSlave* user_script_slave() { return user_script_slave_.get(); }
+  extensions::V8SchemaRegistry* v8_schema_registry() {
+    return &v8_schema_registry_;
+  }
 
   bool IsExtensionActive(const std::string& extension_id) const;
 
   // Finds the extension ID for the JavaScript context associated with the
   // specified |frame| and isolated world. If |world_id| is zero, finds the
   // extension ID associated with the main world's JavaScript context. If the
   // JavaScript context isn't from an extension, returns empty string.
   std::string GetExtensionID(WebKit::WebFrame* frame, int world_id);
 
   // See WebKit::WebPermissionClient::allowScriptExtension
@@ skipping 123 matching lines @@
   std::string test_extension_id_;
 
   // Status of webrequest usage for known extensions.
   // TODO(mpcomplete): remove. http://crbug.com/100411
   bool webrequest_adblock_;
   bool webrequest_adblock_plus_;
   bool webrequest_other_;
 
   ResourceBundleSourceMap source_map_;
 
+  // Process-wide (since ExtensionDispatcher is process wide) cache for the v8

[Aaron Boodman, 2012/03/07 21:07:10]

Don't add the bit about 'process-wide'. That is repeating information that is
already evident by the way that ExtensionDispatcher itself is used.

[not at google - send to devlin, 2012/03/08 00:00:33]

Done.

+  // representation of extension API schemas.
+  extensions::V8SchemaRegistry v8_schema_registry_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionDispatcher);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_DISPATCHER_H_