Allow severing connection between dispatcher and injector

content/browser/intents/internal_web_intents_dispatcher_unittest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/intents/intent_injector.h"
 #include "content/browser/intents/internal_web_intents_dispatcher.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/web_contents/test_web_contents.h"
@@ skipping 39 matching lines @@
 
   dispatcher->DispatchIntent(web_contents());
 
   dispatcher->SendReplyMessage(webkit_glue::WEB_INTENT_REPLY_SUCCESS,
                               ASCIIToUTF16("success"));
 
   EXPECT_EQ(ASCIIToUTF16("success"), notified_data_);
   EXPECT_EQ(1, replied_);
   EXPECT_EQ(webkit_glue::WEB_INTENT_REPLY_SUCCESS, notified_reply_type_);
 }
+
+TEST_F(InternalWebIntentsDispatcherTest, CancelAbandonsInjector) {
+  webkit_glue::WebIntentData intent(ASCIIToUTF16("action"),
+                                    ASCIIToUTF16("type"),
+                                    ASCIIToUTF16("unserialized_data"));
+  InternalWebIntentsDispatcher* dispatcher = new InternalWebIntentsDispatcher(
+      intent, base::Bind(&InternalWebIntentsDispatcherTest::NotifyReply,
+                         base::Unretained(this)));
+  dispatcher->DispatchIntent(web_contents());
+  EXPECT_FALSE(dispatcher->intent_injector_ == NULL);
+  dispatcher->CancelDispatch();
+  EXPECT_TRUE(dispatcher->intent_injector_ == NULL);
+}