Load NPAPI plugin resources through the browser process directly instead of going through the render

content/browser/plugin_process_host.h

Index: content/browser/plugin_process_host.h
===================================================================
--- content/browser/plugin_process_host.h	(revision 222566)
+++ content/browser/plugin_process_host.h	(working copy)
@@ -8,6 +8,7 @@
 #include "build/build_config.h"
 
 #include <list>
+#include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ -22,7 +23,10 @@
 #include "content/public/common/webplugininfo.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ui/gfx/native_widget_types.h"
+#include "webkit/common/resource_type.h"
 
+struct ResourceHostMsg_Request;
+
 namespace gfx {
 class Rect;
 }
@@ -31,6 +35,10 @@
 struct ChannelHandle;
 }
 
+namespace net {
+class URLRequestContext;
+}
+
 namespace content {
 class BrowserChildProcessHostImpl;
 class ResourceContext;
@@ -87,9 +95,6 @@
   // OnChannelOpened in the client is called.
   void OpenChannelToPlugin(Client* client);
 
-  // Cancels all pending channel requests for the given resource context.
-  static void CancelPendingRequestsForResourceContext(ResourceContext* context);
-
   // This function is called to cancel pending requests to open new channels.
   void CancelPendingRequest(Client* client);
 
@@ -125,6 +130,7 @@
 
   // Message handlers.
   void OnChannelCreated(const IPC::ChannelHandle& channel_handle);
+  void OnChannelDestroyed(int renderer_id);
 
 #if defined(OS_WIN)
   void OnPluginWindowDestroyed(HWND window, HWND parent);
@@ -148,6 +154,11 @@
 
   void CancelRequests();
 
+  // Callback for ResourceMessageFilter.
+  void GetContexts(const ResourceHostMsg_Request& request,
+                   ResourceContext** resource_context,
+                   net::URLRequestContext** request_context);
+
   // These are channel requests that we are waiting to send to the
   // plugin process once the channel is opened.
   std::vector<Client*> pending_requests_;
@@ -174,6 +185,10 @@
   bool plugin_cursor_visible_;
 #endif
 
+  // Map from render_process_id to its ResourceContext
+  typedef std::map<int, ResourceContext*> ResourceContextMap;
+  ResourceContextMap resource_context_map_;
+
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginProcessHost);