Browser tests for starting a drag-and-drop out of an OOPIF.

content/public/test/test_frame_navigation_observer.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_
 #define CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_
 
 #include <memory>
 #include <set>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/public/browser/web_contents_observer.h"
+#include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_utils.h"
 
 class GURL;
 
 namespace content {
-class FrameTreeNode;
-class WebContents;
+class RenderFrameHost;
 
-// For content_browsertests, which run on the UI thread, run a second
-// MessageLoop and quit when the navigation in a specific frame (and all of its
-// subframes) has completed loading.
+// Helper for waiting until the navigation in a specific frame tree node (and
+// all of its subframes) has completed loading.
 class TestFrameNavigationObserver : public WebContentsObserver {
  public:
   // Create and register a new TestFrameNavigationObserver which will track
-  // navigations performed in the specified |node| of the frame tree.
-  explicit TestFrameNavigationObserver(FrameTreeNode* node);
+  // navigations performed in the frame tree node associated with |adapter|.
+  // Note that RenderFrameHost associated with |frame| might be destroyed during
+  // the navigation (e.g. if the content commits in a new renderer process).
+  explicit TestFrameNavigationObserver(const ToRenderFrameHost& adapter);
 
   ~TestFrameNavigationObserver() override;
 
   // Runs a nested message loop and blocks until the full load has
   // completed.
   void Wait();
 
   // Runs a nested message loop and blocks until the navigation in the
   // associated FrameTreeNode has committed.
   void WaitForCommit();
@@ skipping 25 matching lines @@
 
   // The MessageLoopRunner used to spin the message loop.
   scoped_refptr<MessageLoopRunner> message_loop_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(TestFrameNavigationObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_TEST_FRAME_NAVIGATION_OBSERVER_H_