<webview>: Implement WebRequest API

chrome/browser/extensions/api/web_request/web_request_api.h

Index: chrome/browser/extensions/api/web_request/web_request_api.h
diff --git a/chrome/browser/extensions/api/web_request/web_request_api.h b/chrome/browser/extensions/api/web_request/web_request_api.h
index a28aa6737fcd7a1a11bd3b9cae287090ee625f78..aba1d8fa45354a4d30f3dacdcc8d4cdbaed74968 100644
--- a/chrome/browser/extensions/api/web_request/web_request_api.h
+++ b/chrome/browser/extensions/api/web_request/web_request_api.h
@@ -245,8 +245,9 @@ class ExtensionWebRequestEventRouter
       const std::string& sub_event_name,
       const RequestFilter& filter,
       int extra_info_spec,
-      int target_process_id,
-      int target_route_id,
+      int caller_process_id,
+      int caller_routing_id,
+      int web_view_instance_id,
       base::WeakPtr<IPC::Sender> ipc_sender);
 
   // Removes the listener for the given sub-event.
@@ -255,6 +256,14 @@ class ExtensionWebRequestEventRouter
       const std::string& extension_id,
       const std::string& sub_event_name);
 
+  // Removes the listeners for a given <webview>.
+  void RemoveWebViewEventListeners(
+      void* profile,
+      const std::string& extension_id,
+      int embedder_process_id,
+      int embedder_routing_id,
+      int web_view_instance_id);
+
   // Called when an incognito profile is created or destroyed.
   void OnOTRProfileCreated(void* original_profile,
                            void* otr_profile);