Fix webrequest api for webview in webui

extensions/browser/api/web_request/web_request_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 EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/singleton.h"
 #include "base/memory/weak_ptr.h"
+#include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "content/public/common/resource_type.h"
 #include "extensions/browser/api/declarative/rules_registry.h"
 #include "extensions/browser/api/declarative_webrequest/request_stage.h"
 #include "extensions/browser/api/web_request/web_request_api_helpers.h"
 #include "extensions/browser/api/web_request/web_request_permissions.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function.h"
 #include "extensions/common/url_pattern_set.h"
@@ skipping 455 matching lines @@
   // respective rules registry.
   std::map<RulesRegistryKey,
       scoped_refptr<extensions::WebRequestRulesRegistry> > rules_registries_;
 
   scoped_ptr<extensions::WebRequestEventRouterDelegate>
       web_request_event_router_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestEventRouter);
 };
 
+class WebRequestInternalFunction : public SyncIOThreadExtensionFunction {
+ public:
+  WebRequestInternalFunction() {}
+
+ protected:
+  ~WebRequestInternalFunction() override {}
+
+  const std::string& extension_id_safe() const {
+    return extension() ? extension_id() : base::EmptyString();
+  }
+};
+
 class WebRequestInternalAddEventListenerFunction
-    : public SyncIOThreadExtensionFunction {
+    : public WebRequestInternalFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequestInternal.addEventListener",
                              WEBREQUESTINTERNAL_ADDEVENTLISTENER)
 
  protected:
   ~WebRequestInternalAddEventListenerFunction() override {}
 
   // ExtensionFunction:
   bool RunSync() override;
 };
 
 class WebRequestInternalEventHandledFunction
-    : public SyncIOThreadExtensionFunction {
+    : public WebRequestInternalFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequestInternal.eventHandled",
                              WEBREQUESTINTERNAL_EVENTHANDLED)
 
  protected:
   ~WebRequestInternalEventHandledFunction() override {}
 
   // Unblocks the network request and sets |error_| such that the developer
   // console will show the respective error message. Use this function to handle
   // incorrect requests from the extension that cannot be detected by the schema
   // validator.
   void RespondWithError(
       const std::string& event_name,
       const std::string& sub_event_name,
       uint64 request_id,
       scoped_ptr<ExtensionWebRequestEventRouter::EventResponse> response,
       const std::string& error);
 
   // ExtensionFunction:
   bool RunSync() override;
 };
 
 class WebRequestHandlerBehaviorChangedFunction
-    : public SyncIOThreadExtensionFunction {
+    : public WebRequestInternalFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequest.handlerBehaviorChanged",
                              WEBREQUEST_HANDLERBEHAVIORCHANGED)
 
  protected:
   ~WebRequestHandlerBehaviorChangedFunction() override {}
 
   // ExtensionFunction:
   void GetQuotaLimitHeuristics(
       extensions::QuotaLimitHeuristics* heuristics) const override;
   // Handle quota exceeded gracefully: Only warn the user but still execute the
   // function.
   void OnQuotaExceeded(const std::string& error) override;
   bool RunSync() override;
 };
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_