Convert tabs, windows, and extension APIs to feature system.

chrome/renderer/extensions/extension_dispatcher.cc

 // 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.
 
 #include "chrome/renderer/extensions/extension_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_piece.h"
@@ skipping 858 matching lines @@
 
   return Feature::UNSPECIFIED_CONTEXT;
 }
 
 void ExtensionDispatcher::OnExtensionResponse(int request_id,
                                               bool success,
                                               const std::string& response,
                                               const std::string& error) {
   request_sender_->HandleResponse(request_id, success, response, error);
 }
-
-bool ExtensionDispatcher::CheckCurrentContextAccessToExtensionAPI(
-    const std::string& function_name) const {
-  ChromeV8Context* context = v8_context_set().GetCurrent();
-  if (!context) {
-    DLOG(ERROR) << "Not in a v8::Context";
-    return false;
-  }
-
-  const ::Extension* extension = NULL;
-  if (!context->extension_id().empty()) {
-    extension = extensions()->GetByID(context->extension_id());
-  }
-
-  if (!extension || !extension->HasAPIPermission(function_name)) {
-    static const char kMessage[] =
-        "You do not have permission to use '%s'. Be sure to declare"
-        " in your manifest what permissions you need.";
-    std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
-    v8::ThrowException(
-        v8::Exception::Error(v8::String::New(error_msg.c_str())));
-    return false;
-  }
-
-  if (!IsExtensionActive(extension->id()) &&
-      ExtensionAPI::GetSharedInstance()->IsPrivileged(function_name)) {
-    static const char kMessage[] =
-        "%s can only be used in an extension process.";
-    std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
-    v8::ThrowException(
-        v8::Exception::Error(v8::String::New(error_msg.c_str())));
-    return false;
-  }
-
-  return true;
-}