PlzNavigate: Release StreamHandle.

content/browser/frame_host/render_frame_host_impl_browsertest.cc

 // Copyright 2015 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 "content/browser/frame_host/render_frame_host_impl.h"
 
 #include "base/macros.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/public/browser/javascript_dialog_manager.h"
@@ skipping 335 matching lines @@
   RenderFrameDeletedObserver deleted_observer(
       new_shell->web_contents()->GetMainFrame());
   deleted_observer.WaitUntilDeleted();
 
   bool is_closed = false;
   EXPECT_TRUE(ExecuteScriptAndExtractBool(
       shell(), "domAutomationController.send(popup.closed)", &is_closed));
   EXPECT_TRUE(is_closed);
 }
 
+// After a navigation, the StreamHandle must be released.
+IN_PROC_BROWSER_TEST_F(RenderFrameHostImplBrowserTest, StreamHandleReleased) {
+  EXPECT_TRUE(NavigateToURL(shell(), GetTestUrl("", "title1.html")));
+  WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
+  RenderFrameHostImpl* main_frame =
+      static_cast<RenderFrameHostImpl*>(wc->GetMainFrame());
+  EXPECT_EQ(nullptr, main_frame->stream_handle_for_testing());
+}
+
 }  // namespace content