<webview>: First stab at implementing media permission request for guests.

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 68bd3dab8197c30c04aca2bccf588300c484a0e1..86589ea3be5b42ebcc9b356934b8cb6b98ffa913 100644
--- a/chrome/renderer/resources/extensions/web_view.js
+++ b/chrome/renderer/resources/extensions/web_view.js
@@ -129,6 +129,7 @@ function WebView(node) {
   for (var eventName in WEB_VIEW_EVENTS) {
     this.setupEvent_(eventName, WEB_VIEW_EVENTS[eventName]);
   }
+  this.maybeSetupPermissionEvent_();
 }
 
 /**
@@ -164,7 +165,7 @@ WebView.prototype.handleObjectMutation_ = function(mutation) {
 /**
  * @private
  */
-WebView.prototype.setupEvent_ = function(eventname, attribs) {
+WebView.prototype.setupEvent_ = function(eventname, attribs, opt_prepareEvent) {
   var node = this.node_;
   this.objectNode_.addEventListener('-internal-' + eventname, function(e) {
     var evt = new Event(eventname, { bubbles: true });
@@ -172,6 +173,17 @@ WebView.prototype.setupEvent_ = function(eventname, attribs) {
     attribs.forEach(function(attribName) {
       evt[attribName] = detail[attribName];
     });
+    if (opt_prepareEvent) {
+      opt_prepareEvent(evt, detail);
+    }
     node.dispatchEvent(evt);

[Fady Samuel, 2013/02/05 17:53:27]

If true then we can deny... because preventDefault was not called.

[lazyboy, 2013/02/07 04:38:42]

Updated CL.

   });
-}
+};
+
+/**
+ * Implemented when experimental permission is available.
+ * @private
+ */
+WebView.prototype.maybeSetupPermissionEvent_ = function() {};
+
+exports.WebView = WebView;