Ensure that isolated apps use the right cookies for media requests.

content/public/test/test_browser_context.cc

Index: content/public/test/test_browser_context.cc
diff --git a/content/public/test/test_browser_context.cc b/content/public/test/test_browser_context.cc
index 556b2d881eda5b7dea6be996e56a059ee5ca26e8..e4c1ca0a907c1bc1d4f6632adb1b3dbcd8d4c716 100644
--- a/content/public/test/test_browser_context.cc
+++ b/content/public/test/test_browser_context.cc
@@ -49,7 +49,13 @@ TestBrowserContext::GetRequestContextForRenderProcess(int renderer_child_id) {
   return NULL;
 }
 
-net::URLRequestContextGetter* TestBrowserContext::GetRequestContextForMedia() {
+net::URLRequestContextGetter* TestBrowserContext::GetMediaRequestContext() {
+  return NULL;
+}
+
+net::URLRequestContextGetter*
+TestBrowserContext::GetMediaRequestContextForRenderProcess(
+    int renderer_child_id) {
   return NULL;
 }