Move <webview> API to chrome layer

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 43c6dc4624b2a5acb8ddedc7a314296176eab96f..f51336d79f6d0164614ad0ed5fb174a04fcb95cc 100644
--- a/chrome/renderer/resources/extensions/web_view.js
+++ b/chrome/renderer/resources/extensions/web_view.js
@@ -126,6 +126,8 @@ function WebView(node) {
     enumerable: true
   });
 
+  this.setupExecuteScript_();
+
   for (var eventName in WEB_VIEW_EVENTS) {
     this.setupEvent_(eventName, WEB_VIEW_EVENTS[eventName]);
   }
@@ -171,6 +173,24 @@ WebView.prototype.handleObjectMutation_ = function(mutation) {
   }
 };
 
+WebView.prototype.setupExecuteScript_ = function() {
+  var node = this.node_;
+  var callbackMap = new Array();
+  var self = this;
+  node['executeScript'] = function(injectDetails, resultCallback) {
+    var result = self.objectNode_.executeScript(injectDetails);
+    callbackMap[result] = resultCallback;
+  };
+  this.objectNode_.addEventListener('-internal-scriptresponse', function(e) {
+    var detail = JSON.parse(e.detail);
+    if (callbackMap[detail.requestId]) {
+      console.log(detail.result);
+      callbackMap[detail.requestId].apply(self.node_, detail.result);
+      delete callbackMap[detail.requestId];
+    }
+  });
+};
+
 /**
  * @private
  */