Update mojo for changes to createMediaPlayer()

createMediaPlayer() will soon get called with the additional
parameter |initial_cdm|. Adding a method to include it.

BUG=358271
TEST=mojo compiles with upcoming blink changes

Review URL: https://codereview.chromium.org/600233002

Cr-Commit-Position: refs/heads/master@{#296597}

mojo/services/html_viewer/html_document_view.cc

@@ -180,6 +180,14 @@ blink::WebMediaPlayer* HTMLDocumentView::createMediaPlayer(
   return web_media_player_factory_->CreateMediaPlayer(frame, url, client);
 }
 
+blink::WebMediaPlayer* HTMLDocumentView::createMediaPlayer(
+    blink::WebLocalFrame* frame,
+    const blink::WebURL& url,
+    blink::WebMediaPlayerClient* client,
+    blink::WebContentDecryptionModule* initial_cdm) {
+  return createMediaPlayer(frame, url, client);
+}
+
 blink::WebFrame* HTMLDocumentView::createChildFrame(
     blink::WebLocalFrame* parent,
     const blink::WebString& frameName) {

mojo/services/html_viewer/html_document_view.h

@@ -62,6 +62,11 @@ class HTMLDocumentView : public blink::WebViewClient,
       blink::WebLocalFrame* frame,
       const blink::WebURL& url,
       blink::WebMediaPlayerClient* client);
+  virtual blink::WebMediaPlayer* createMediaPlayer(
+      blink::WebLocalFrame* frame,
+      const blink::WebURL& url,
+      blink::WebMediaPlayerClient* client,
+      blink::WebContentDecryptionModule* initial_cdm);
   virtual blink::WebFrame* createChildFrame(blink::WebLocalFrame* parent,
                                             const blink::WebString& frameName);
   virtual void frameDetached(blink::WebFrame*);