<webview>: Move contentload event from content to chrome

chrome/renderer/resources/extensions/web_view.js

Index: chrome/renderer/resources/extensions/web_view.js
diff --git a/chrome/renderer/resources/extensions/web_view.js b/chrome/renderer/resources/extensions/web_view.js
index 0b2ad3784837bb62ff0e36f6212b8bcac0368306..d72cdbdde35a330fa5a8e962ccdb3743fb9b7c83 100644
--- a/chrome/renderer/resources/extensions/web_view.js
+++ b/chrome/renderer/resources/extensions/web_view.js
@@ -44,6 +44,7 @@ var createEvent = function(name) {
   return new eventBindings.Event(name, undefined, eventOpts);
 };
 
+var contentLoadEvent = createEvent('webview.onContentLoad');
 var loadCommitEvent = createEvent('webview.onLoadCommit');
 var loadStopEvent = createEvent('webview.onLoadStop');
 
@@ -309,6 +310,15 @@ WebView.prototype.setupWebviewNodeEvents_ = function() {
   // TODO(fsamuel): Generalize this further as we add more events.
   var onAttached = function(e) {
     var detail = e.detail ? JSON.parse(e.detail) : {};
+    contentLoadEvent.addListener(function(event) {

[lazyboy, 2013/06/28 18:55:08]

We now see a pattern here, so
foo_events = {
  'contentload': contentLoadEvent,
  'loadcommit': loadCommitEvent,
  ...
};

for (a in foo_events) {
  // register event named 'a' with the event foo_events[a]
}

[Fady Samuel, 2013/06/28 21:24:35]

Done.

+      var webviewEvent = new Event('contentload', {bubbles: true});
+      var attribs = WEB_VIEW_EVENTS['contentload'];
+      $Array.forEach(attribs, function(attribName) {
+        webviewEvent[attribName] = event[attribName];
+      });
+      webviewNode.dispatchEvent(webviewEvent);
+    }, {instanceId: detail.windowId});
+
     loadCommitEvent.addListener(function(event) {
       var webviewEvent = new Event('loadcommit', {bubbles: true});
       var attribs = WEB_VIEW_EVENTS['loadcommit'];