Separate RenderViewHost from RenderWidgetHost, part 4: delegate

chrome/browser/renderer_host/render_process_host_chrome_browsertest.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/command_line.h"
 #include "base/path_service.h"
 #include "base/process/process.h"
 #include "base/test/test_timeouts.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/devtools/devtools_window.h"
@@ skipping 36 matching lines @@
   }
   return count;
 }
 
 WebContents* FindFirstDevToolsContents() {
   scoped_ptr<content::RenderWidgetHostIterator> widgets(
       RenderWidgetHost::GetRenderWidgetHosts());
   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
     if (!widget->GetProcess()->HasConnection())
       continue;
-    if (!widget->IsRenderView())
+    RenderViewHost* view_host = RenderViewHost::From(widget);
+    if (!view_host)
       continue;
-    RenderViewHost* host = RenderViewHost::From(widget);
-    WebContents* contents = WebContents::FromRenderViewHost(host);
+    WebContents* contents = WebContents::FromRenderViewHost(view_host);
     GURL url = contents->GetURL();
     if (url.SchemeIs(content::kChromeDevToolsScheme))
       return contents;
   }
   return NULL;
 }
 
 // TODO(rvargas) crbug.com/417532: Remove this code.
 base::Process ProcessFromHandle(base::ProcessHandle handle) {
 #if defined(OS_WIN)
@@ skipping 606 matching lines @@
       content::ExecuteScript(audio_tab_web_contents_,
                              "document.getElementById('audioPlayer').play();"));
 
   // Wait until the two pages are not backgrounded.
   while (no_audio_process_.IsProcessBackgrounded() ||
          audio_process_.IsProcessBackgrounded()) {
     base::RunLoop().RunUntilIdle();
     base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
   }
 }