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

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
index be3968b5e56dd5f10eacdd3546f0864afe956048..8da456fa48e3c9d72688c3ec15b23a0fa74c0947 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -475,6 +475,12 @@ HTMLMediaElement::HTMLMediaElement(const QualifiedName& tagName,
     m_lockedPendingUserGesture = true;
   }
 
+  LocalFrame* frame = document.frame();
+  if (frame) {
+    m_remotePlaybackClient =
+        frame->loader().client()->createWebRemotePlaybackClient(*this);
+  }
+
   setHasCustomStyleCallbacks();
   addElementToDocumentMap(this, &document);
 
@@ -3939,11 +3945,6 @@ void HTMLMediaElement::updatePositionNotificationRegistration() {
   m_autoplayHelper->updatePositionNotificationRegistration();
 }
 
-void HTMLMediaElement::setRemotePlaybackClient(
-    WebRemotePlaybackClient* client) {
-  m_remotePlaybackClient = client;
-}
-
 // TODO(liberato): remove once autoplay gesture override experiment concludes.
 void HTMLMediaElement::triggerAutoplayViewportCheckForTesting() {
   if (FrameView* view = document().view())