Add load flag indicating a request is probably the result of a user gesture.

content/browser/renderer_host/resource_dispatcher_host.h

Index: content/browser/renderer_host/resource_dispatcher_host.h
diff --git a/content/browser/renderer_host/resource_dispatcher_host.h b/content/browser/renderer_host/resource_dispatcher_host.h
index d6c5ce70e77034d25b540cbe6d5989761dfcd80e..27a52ac6dee8a1d48ce9496fc278cc0eea4eea25 100644
--- a/content/browser/renderer_host/resource_dispatcher_host.h
+++ b/content/browser/renderer_host/resource_dispatcher_host.h
@@ -20,6 +20,7 @@
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/time.h"
 #include "base/timer.h"
 #include "content/browser/renderer_host/resource_queue.h"
 #include "content/common/child_process_info.h"
@@ -40,6 +41,7 @@ class ResourceHandler;
 class ResourceMessageFilter;
 class SaveFileManager;
 class SSLClientAuthHandler;
+class TabContents;
 class WebKitThread;
 struct DownloadSaveInfo;
 struct GlobalRequestID;
@@ -201,6 +203,8 @@ class ResourceDispatcherHost : public net::URLRequest::Delegate {
 
   void OnResponseCompleted(net::URLRequest* request);
 
+  void OnUserGesture(TabContents* tab);
+
   // Helper functions to get the dispatcher's request info for the request.
   // If the dispatcher didn't create the request then NULL is returned.
   static ResourceDispatcherHostRequestInfo* InfoForRequest(
@@ -502,6 +506,11 @@ class ResourceDispatcherHost : public net::URLRequest::Delegate {
   //       kAvgBytesPerOutstandingRequest)
   int max_outstanding_requests_cost_per_process_;
 
+  // Time of the last user gesture. Stored so that we can add a load
+  // flag to requests occurring soon after a gesture to indicate they
+  // may be because of explicit user action.
+  base::TimeTicks last_user_gesture_time_;
+
   // Used during IPC message dispatching so that the handlers can get a pointer
   // to the source of the message.
   ResourceMessageFilter* filter_;