Working around the page load problem on Linux, re-enable tests.

chrome/browser/media/webrtc_browsertest_base.h

 // Copyright 2013 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 CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_BASE_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_BASE_H_
 
 #include <string>
 
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 12 matching lines @@
   // Typical constraints.
   static const char kAudioVideoCallConstraints[];
   static const char kAudioOnlyCallConstraints[];
   static const char kVideoOnlyCallConstraints[];
 
   static const char kFailedWithPermissionDeniedError[];
 
   WebRtcTestBase();
   virtual ~WebRtcTestBase();
 
+  // These all require that the loaded page fulfills the public interface in
+  // chrome/test/data/webrtc/message_handling.js.
   void GetUserMediaAndAccept(content::WebContents* tab_contents) const;
   void GetUserMediaWithSpecificConstraintsAndAccept(
       content::WebContents* tab_contents,
       const std::string& constraints) const;
   void GetUserMediaAndDeny(content::WebContents* tab_contents);
   void GetUserMediaWithSpecificConstraintsAndDeny(
       content::WebContents* tab_contents,
       const std::string& constraints) const;
   void GetUserMediaAndDismiss(content::WebContents* tab_contents) const;
   void GetUserMedia(content::WebContents* tab_contents,
                     const std::string& constraints) const;
 
+  // Convenience method which opens the page at url, calls GetUserMediaAndAccept
+  // and returns the new tab.
+  content::WebContents* OpenPageAndGetUserMediaInNewTab(const GURL& url) const;
+
+  // Opens the page at |url| where getUserMedia has been invoked through other
+  // means and accepts the user media request.
   content::WebContents* OpenPageAndAcceptUserMedia(const GURL& url) const;
 
   void ConnectToPeerConnectionServer(const std::string& peer_name,
                                      content::WebContents* tab_contents) const;
   std::string ExecuteJavascript(const std::string& javascript,
                                 content::WebContents* tab_contents) const;
 
  private:
   void CloseInfoBarInTab(content::WebContents* tab_contents,
                          MediaStreamInfoBarDelegate* infobar) const;
   MediaStreamInfoBarDelegate* GetUserMediaAndWaitForInfoBar(
       content::WebContents* tab_contents,
       const std::string& constraints) const;
 
   DISALLOW_COPY_AND_ASSIGN(WebRtcTestBase);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_BASE_H_