Adding support for overriding TestWebKitPlatformSupport in DumpRenderTree

webkit/support/test_webkit_platform_support.cc

Index: webkit/support/test_webkit_platform_support.cc
diff --git a/webkit/support/test_webkit_platform_support.cc b/webkit/support/test_webkit_platform_support.cc
index 57fe67e3afaa83abb6b73b89d1768b348500d6e0..e7be342afa0035640a66c841c84c37f566b3f93d 100644
--- a/webkit/support/test_webkit_platform_support.cc
+++ b/webkit/support/test_webkit_platform_support.cc
@@ -68,8 +68,10 @@
 
 using WebKit::WebScriptController;
 
-TestWebKitPlatformSupport::TestWebKitPlatformSupport(bool unit_test_mode)
-      : unit_test_mode_(unit_test_mode) {
+TestWebKitPlatformSupport::TestWebKitPlatformSupport(bool unit_test_mode,
+    WebKit::Platform* shadow_platform_support)
+    : unit_test_mode_(unit_test_mode),
+      shadow_platform_support_(shadow_platform_support) {
   v8::V8::SetCounterFunction(base::StatsTable::FindLocation);
 
   WebKit::initialize(this);
@@ -497,3 +499,13 @@ TestWebKitPlatformSupport::CreateWebSocketBridge(
     webkit_glue::WebSocketStreamHandleDelegate* delegate) {
   return SimpleSocketStreamBridge::Create(handle, delegate);
 }
+
+WebKit::WebMediaStreamCenter*
+TestWebKitPlatformSupport::createMediaStreamCenter(
+    WebKit::WebMediaStreamCenterClient* client) {
+  if (shadow_platform_support_)
+    return shadow_platform_support_->createMediaStreamCenter(client);
+  else
+    return webkit_glue::WebKitPlatformSupportImpl::createMediaStreamCenter(
+        client);
+}