[Android WebView] AwContentsClient.shouldCreate window callback part 2.

android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.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 ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 #define ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
 
-#include "content/public/browser/resource_dispatcher_host_delegate.h"
+#include <map>
 
 #include "base/lazy_instance.h"
+#include "content/public/browser/resource_dispatcher_host_delegate.h"
 
 namespace content {
 class ResourceDispatcherHostLoginDelegate;
 }
 
 namespace android_webview {
 
+class IoThreadClientThrottle;
+
 class AwResourceDispatcherHostDelegate
     : public content::ResourceDispatcherHostDelegate {
  public:
   static void ResourceDispatcherHostCreated();
 
   // Overriden methods from ResourceDispatcherHostDelegate.
   virtual void RequestBeginning(
       net::URLRequest* request,
       content::ResourceContext* resource_context,
       appcache::AppCacheService* appcache_service,
       ResourceType::Type resource_type,
       int child_id,
       int route_id,
       bool is_continuation_of_transferred_request,
       ScopedVector<content::ResourceThrottle>* throttles) OVERRIDE;
 
   virtual bool AcceptAuthRequest(net::URLRequest* request,
                                  net::AuthChallengeInfo* auth_info) OVERRIDE;
 
   virtual content::ResourceDispatcherHostLoginDelegate* CreateLoginDelegate(
       net::AuthChallengeInfo* auth_info,
       net::URLRequest* request) OVERRIDE;
 
   virtual bool HandleExternalProtocol(const GURL& url,
                                       int child_id,
                                       int route_id) OVERRIDE;
 
+  void RemovePendingThrottleOnIoThread(IoThreadClientThrottle* throttle);
+
+  static void OnIoThreadClientReady(int new_child_id, int new_route_id);
+  static void AddPendingThrottle(int child_id,
+                                 int route_id,
+                                 IoThreadClientThrottle* pending_throttle);
+
  private:
   friend struct base::DefaultLazyInstanceTraits<
       AwResourceDispatcherHostDelegate>;
   AwResourceDispatcherHostDelegate();
   virtual ~AwResourceDispatcherHostDelegate();
 
+  // These methods must be called on IO thread.
+  void OnIoThreadClientReadyInternal(int child_id, int route_id);
+  void AddPendingThrottleOnIoThread(int child_id,
+                                    int route_id,
+                                    IoThreadClientThrottle* pending_throttle);
+
+  typedef std::pair<int, int> ChildRouteIDPair;
+  typedef std::map<ChildRouteIDPair, IoThreadClientThrottle*>
+      PendingThrottleMap;
+
+  // Only accessed on the IO thread.
+  PendingThrottleMap pending_throttles_;
+
   DISALLOW_COPY_AND_ASSIGN(AwResourceDispatcherHostDelegate);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_LIB_RENDERER_HOST_AW_RESOURCE_DISPATCHER_HOST_H_