Remove the deprecated messageevent API

BUG=473258

Message ports were using the source frame's execution context
rather than the targets when ports were transferred from a frame
to another. This seems to be leaky and also creates difficulties
when implementing message port support for android webview
and OOPIF. Use the target instead.

This is patch 3 of 3 and removes the deprecated API.

Review URL: https://codereview.chromium.org/1304553002

git-svn-id: svn://svn.chromium.org/blink/trunk@200786 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/web/WebDOMMessageEvent.cpp

@@ -63,16 +63,6 @@ void WebDOMMessageEvent::initMessageEvent(const WebString& type, bool canBubble,
     unwrap<MessageEvent>()->initMessageEvent(type, canBubble, cancelable, messageData, origin, lastEventId, window, ports);
 }
 
-void WebDOMMessageEvent::initMessageEvent(const WebString& type, bool canBubble, bool cancelable, const WebSerializedScriptValue& messageData, const WebString& origin, const WebFrame* sourceFrame, const WebString& lastEventId, const WebMessagePortChannelArray& webChannels)
-{
-    WebDocument document;
-    if (sourceFrame && sourceFrame->isWebLocalFrame()) {
-        DOMWindow* window = toCoreFrame(sourceFrame)->domWindow();
-        document = toLocalDOMWindow(window)->document();
-    }
-    initMessageEvent(type, canBubble, cancelable, messageData, origin, sourceFrame, document, lastEventId, webChannels);
-}
-
 WebSerializedScriptValue WebDOMMessageEvent::data() const
 {
     return WebSerializedScriptValue(constUnwrap<MessageEvent>()->dataAsSerializedScriptValue());

third_party/WebKit/public/web/WebDOMMessageEvent.h

@@ -44,12 +44,13 @@ namespace blink {
 class WebFrame;
 class WebString;
 
+// An interface for posting message events to the target frame. The message
+// events are used for communication between documents and described here:
+// http://www.w3.org/TR/2012/WD-webmessaging-20120313/#terminology
 class WebDOMMessageEvent : public WebDOMEvent {
 public:
     WebDOMMessageEvent() { }
     BLINK_EXPORT void initMessageEvent(const WebString& type, bool canBubble, bool cancelable, const WebSerializedScriptValue& messageData, const WebString& origin, const WebFrame* sourceFrame, const WebDocument& targetDocument, const WebString& lastEventId, const WebMessagePortChannelArray& channels = WebMessagePortChannelArray());
-    // DEPRECATED: Use the initMessageEvent method above. This method will be removed.
-    BLINK_EXPORT void initMessageEvent(const WebString& type, bool canBubble, bool cancelable, const WebSerializedScriptValue& messageData, const WebString& origin, const WebFrame* sourceFrame, const WebString& lastEventId, const WebMessagePortChannelArray& channels = WebMessagePortChannelArray());
 
     BLINK_EXPORT WebSerializedScriptValue data() const;
     BLINK_EXPORT WebString origin() const;