<webview>: Implement WebRequest API

chrome/renderer/resources/extensions/web_request_custom_bindings.js

Index: chrome/renderer/resources/extensions/web_request_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/web_request_custom_bindings.js b/chrome/renderer/resources/extensions/web_request_custom_bindings.js
index 8699cbff664b6b488355836f0831625a713b01a1..caaaf20b957123252b360ecfd11edb9804648c42 100644
--- a/chrome/renderer/resources/extensions/web_request_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/web_request_custom_bindings.js
@@ -22,13 +22,15 @@ var validate = require('schemaUtils').validate;
 //       callback, {urls: 'http://*.google.com/*'});
 //   ^ callback will only be called for onBeforeRequests matching the filter.
 function WebRequestEvent(eventName, opt_argSchemas, opt_extraArgSchemas,
-                         opt_eventOptions) {
+                         opt_eventOptions, opt_processId, opt_routeId) {
   if (typeof eventName != 'string')
     throw new Error('chrome.WebRequestEvent requires an event name.');
 
   this.eventName_ = eventName;
   this.argSchemas_ = opt_argSchemas;
   this.extraArgSchemas_ = opt_extraArgSchemas;
+  this.processId_ = opt_processId ? opt_processId : -1;
+  this.routeId_ = opt_routeId ? opt_routeId : -1;
   this.subEvents_ = [];
   this.eventOptions_ = chromeHidden.parseEventOptions(opt_eventOptions);
   if (this.eventOptions_.supportsRules) {
@@ -64,7 +66,8 @@ WebRequestEvent.prototype.addListener =
   // subEvent listener.
   validate(Array.prototype.slice.call(arguments, 1), this.extraArgSchemas_);
   chromeHidden.internalAPIs.webRequestInternal.addEventListener(
-      cb, opt_filter, opt_extraInfo, this.eventName_, subEventName);
+      cb, opt_filter, opt_extraInfo, this.eventName_, subEventName,
+      this.processId_, this.routeId_);
 
   var subEvent = new chrome.Event(subEventName, this.argSchemas_);
   var subEventCallback = cb;
@@ -157,3 +160,5 @@ chromeHidden.registerCustomHook('webRequest', function(api) {
                 {forIOThread: true});
   });
 });
+
+exports.webRequestEvent = WebRequestEvent;