[Blink, HTMLMediaElement] Use the resolver to reject the play promise with exception.

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 441ee5b55a8b6e020d888087c1062bc553bea0e0..103815e6a8ebe8ac8b9d044b19ae1ba614364565 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -2048,7 +2048,8 @@ ScriptPromise HTMLMediaElement::playForBindings(ScriptState* scriptState)
         default:
             NOTREACHED();
         }
-        return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(code.get(), message));
+        resolver->reject(DOMException::create(code.get(), message));
+        return promise;
     }
 
     return promise;