Enable media stream layout test with content_shell.

content/shell/webkit_test_runner.h

Index: content/shell/webkit_test_runner.h
===================================================================
--- content/shell/webkit_test_runner.h	(revision 191708)
+++ content/shell/webkit_test_runner.h	(working copy)
@@ -19,6 +19,8 @@
 class SkCanvas;
 
 namespace WebKit {
+class WebMediaPlayer;
+class WebMediaPlayerClient;
 struct WebRect;
 }
 
@@ -26,6 +28,10 @@
 class WebTestProxyBase;
 }
 
+namespace webkit_support {
+class TestMediaStreamClient;
+}
+
 namespace content {
 
 // This is the renderer side of the webkit test runner.
@@ -90,7 +96,12 @@
       WebTestRunner::WebTestProxyBase* proxy,
       WebKit::WebVector<WebKit::WebHistoryItem>* history,
       size_t* currentEntryIndex);
+  virtual WebKit::WebMediaPlayer* createWebMediaPlayer(
+      WebKit::WebFrame*,

[jochen (gone - plz use gerrit), 2013/04/02 07:02:21]

the chromium coding style requires to list argument names.

[wjia(left Chromium), 2013/04/03 00:44:04]

Done.

+      const WebKit::WebURL&,
+      WebKit::WebMediaPlayerClient*);
 
+
   void Reset();
 
   void set_proxy(::WebTestRunner::WebTestProxyBase* proxy) { proxy_ = proxy; }
@@ -125,6 +136,8 @@
 
   bool focus_on_next_commit_;
 
+  scoped_ptr<webkit_support::TestMediaStreamClient> test_media_stream_client_;
+
   DISALLOW_COPY_AND_ASSIGN(WebKitTestRunner);
 };