Modify AsyncResourceHandler to use a single shared memory buffer (in ring

content/common/resource_dispatcher_unittest.cc

Index: content/common/resource_dispatcher_unittest.cc
===================================================================
--- content/common/resource_dispatcher_unittest.cc	(revision 157294)
+++ content/common/resource_dispatcher_unittest.cc	(working copy)
@@ -134,12 +134,11 @@
       base::SharedMemoryHandle dup_handle;
       EXPECT_TRUE(shared_mem.GiveToProcess(
           base::Process::Current().handle(), &dup_handle));
-      dispatcher_->OnReceivedData(
-          message_queue_[0],
-          request_id,
-          dup_handle,
-          test_page_contents_len,
-          test_page_contents_len);
+      dispatcher_->OnSetDataBuffer(message_queue_[0], request_id, dup_handle,
+                                   test_page_contents_len);
+      dispatcher_->OnReceivedData(message_queue_[0], request_id, 0,
+                                  test_page_contents_len,
+                                  test_page_contents_len);
 
       message_queue_.erase(message_queue_.begin());
 
@@ -260,7 +259,9 @@
                                               &duplicated_handle));
 
     dispatcher_->OnMessageReceived(
-        ResourceMsg_DataReceived(0, 0, duplicated_handle, 100, 100));
+        ResourceMsg_SetDataBuffer(0, 0, duplicated_handle, 100));
+    dispatcher_->OnMessageReceived(
+        ResourceMsg_DataReceived(0, 0, 0, 100, 100));
 
     set_defer_loading(false);
   }