Relanding Switched main WebRTC browser tests to use a more realistic video

chrome/browser/media/webrtc_browsertest_common.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_COMMON_H_
 #define CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_COMMON_H_
 
 #include <string>
 
+#include "base/files/file_path.h"
 #include "base/process/process_handle.h"
 
 namespace content {
 class WebContents;
 }
 
+namespace test {
+
+// Reference video locations.
+
+// Checks if the user has the reference video files, returns true if so.
+// If the user's checkout don't have these dirs, they need to configure their
+// .gclient as described in kAdviseOnGclientSolution. The reason for this is
+// that we don't want to burden regular chrome devs with downloading these
+// sizable reference files by default.
+bool HasReferenceFilesInCheckout();
+
+// Retrieves the reference video dir, to which file names can be appended.
+base::FilePath GetReferenceVideosDir();
+
+extern const base::FilePath::CharType kReferenceFileName360p[];
+extern const base::FilePath::CharType kYuvFileExtension[];
+extern const base::FilePath::CharType kY4mFileExtension[];
+
 // Executes javascript code which will sleep for |timeout_msec| milliseconds.
 // Returns true on success.
 bool SleepInJavascript(content::WebContents* tab_contents, int timeout_msec);
 
 // This function will execute the provided |javascript| until it causes a call
 // to window.domAutomationController.send() with |evaluates_to| as the message.
 // That is, we are NOT checking what the javascript evaluates to. Returns false
 // if we exceed the TestTimeouts::action_max_timeout().
 // TODO(phoglund): Consider a better interaction method with the javascript
 // than polling javascript methods.
@@ skipping 11 matching lines @@
 
   PeerConnectionServerRunner(): server_pid_(0) {}
   ~PeerConnectionServerRunner() {}
 
   // Starts the peerconnection server on localhost on |kDefaultPort|.
   bool Start();
 
   // Stops the peerconnection server.
   bool Stop();
 
-  static void KillAllPeerConnectionServersOnCurrentSystem();
+  static void KillAllPeerConnectionServers();
 
  private:
   base::ProcessHandle server_pid_;
 };
 
+}  // namespace test
+
 #endif  // CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_COMMON_H_