Removing dedicated worker-related IPC code (second round).

content/renderer/websharedworker_proxy.h

Index: content/renderer/websharedworker_proxy.h
diff --git a/content/renderer/websharedworker_proxy.h b/content/renderer/websharedworker_proxy.h
index acc8dcab57a757bb1f94023050881c57347ee70a..07cfb33468afa2fcbb1a16b3f9ba9f8223d96fbc 100644
--- a/content/renderer/websharedworker_proxy.h
+++ b/content/renderer/websharedworker_proxy.h
@@ -6,9 +6,13 @@
 #define CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_
 #pragma once
 
+#include <string>
+#include <vector>
+
 #include "base/basictypes.h"
-#include "content/renderer/webworker_base.h"
+#include "base/memory/scoped_ptr.h"
 #include "googleurl/src/gurl.h"
+#include "ipc/ipc_channel.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorker.h"
 
 class ChildThread;
@@ -19,7 +23,7 @@ class ChildThread;
 // happen via the WebMessagePortChannel, and the WebSharedWorker instance will
 // be freed.
 class WebSharedWorkerProxy : public WebKit::WebSharedWorker,
-                             private WebWorkerBase {
+                             private IPC::Channel::Listener {
  public:
   // If the worker not loaded yet, route_id == MSG_ROUTING_NONE
   WebSharedWorkerProxy(ChildThread* child_thread,
@@ -27,6 +31,7 @@ class WebSharedWorkerProxy : public WebKit::WebSharedWorker,
                        bool exists,
                        int route_id,
                        int render_view_route_id);
+  virtual ~WebSharedWorkerProxy();
 
   // Implementations of WebSharedWorker APIs
   virtual bool isStarted();
@@ -40,12 +45,57 @@ class WebSharedWorkerProxy : public WebKit::WebSharedWorker,
   virtual void terminateWorkerContext();
   virtual void clientDestroyed();
 
+private:

[jam, 2011/10/28 16:54:12]

nit: space

   // IPC::Channel::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
- private:
+  // Returns true if the worker is running (can send messages to it).
+  bool IsStarted();
+
+  // Disconnects the worker (stops listening for incoming messages).
+  void Disconnect();
+
+  // Sends a message to the worker thread (forwarded via the RenderViewHost).
+  // If WorkerStarted() has not yet been called, message is queued.
+  bool Send(IPC::Message*);
+
+  // Returns true if there are queued messages.
+  bool HasQueuedMessages() { return !queued_messages_.empty(); }
+
+  // Sends any messages currently in the queue.
+  void SendQueuedMessages();
+
+  void CreateWorkerContext(const GURL& script_url,
+                           bool is_shared,
+                           const string16& name,
+                           const string16& user_agent,
+                           const string16& source_code,
+                           int pending_route_id,
+                           int64 script_resource_appcache_id);
   void OnWorkerCreated();
 
+
+  // Routing id associated with this worker - used to receive messages from the
+  // worker, and also to route messages to the worker (WorkerService contains
+  // a map that maps between these renderer-side route IDs and worker-side
+  // routing ids).
+  int route_id_;
+
+  // The routing id for the RenderView that created this worker.
+  int render_view_route_id_;
+
+  ChildThread* child_thread_;
+
+  // ID of our parent document (used to shutdown workers when the parent
+  // document is detached).
+  unsigned long long document_id_;
+
+  // ID of our parent's appcache host, only valid for dedicated workers.
+  int parent_appcache_host_id_;
+
+  // Stores messages that were sent before the StartWorkerContext message.
+  std::vector<IPC::Message*> queued_messages_;
+
   // The id for the placeholder worker instance we've stored on the
   // browser process (we need to pass this same route id back in when creating
   // the worker).