[Blink, RemotePlaybackAPI] Create WebRemotePlaybackClient in HTMLMediaElement ctor to avoid lazy in…

third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp

Index: third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp
diff --git a/third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp b/third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp
index 31eeadba24631944984dc8d694db43e94a9f8d7c..a813c09b21c8ba2b59d729ae5d631a3f4191d2cf 100644
--- a/third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp
+++ b/third_party/WebKit/Source/core/html/shadow/MediaControlsTest.cpp
@@ -17,6 +17,7 @@
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/WebMediaPlayer.h"
 #include "public/platform/WebSize.h"
+#include "public/platform/modules/remoteplayback/WebRemotePlaybackClient.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <memory>
 
@@ -71,6 +72,12 @@ class StubFrameLoaderClient : public EmptyFrameLoaderClient {
       WebMediaPlayerClient*) override {
     return wrapUnique(new MockVideoWebMediaPlayer);
   }
+
+  WebRemotePlaybackClient* createWebRemotePlaybackClient(
+      ScriptState*,
+      HTMLMediaElement&) override {
+    return nullptr;
+  }
 };
 
 Element* getElementByShadowPseudoId(Node& rootNode,