Improve <webview> autosize:

chrome/renderer/resources/extensions/web_view.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Shim that simulates a <webview> tag via Mutation Observers.
 //
 // The actual tag is implemented via the browser plugin. The internals of this
 // are hidden via Shadow DOM.
 
 'use strict';
@@ skipping 96 matching lines @@
       'requestMethod',
       'url',
       'userGesture'
     ]
   },
   'responsive': {
     evt: createEvent('webview.onResponsive'),
     fields: ['processId']
   },
   'sizechanged': {
+    customHandler: function(webview, event, webviewEvent) {
+      webview.webviewNode_.style.width = webviewEvent.newWidth + 'px';

[Fady Samuel, 2013/08/27 14:16:18]

Check the current bounds here to make sure we're not outside the currently
specified constraints. If we are then don't resize the <webview>.

[lazyboy, 2013/08/27 23:22:17]

Done.

+      webview.webviewNode_.style.height = webviewEvent.newHeight + 'px';
+      webview.webviewNode_.dispatchEvent(webviewEvent);
+    },
     evt: createEvent('webview.onSizeChanged'),
     fields: ['oldHeight', 'oldWidth', 'newHeight', 'newWidth']
   },
   'unresponsive': {
     evt: createEvent('webview.onUnresponsive'),
     fields: ['processId']
   }
 };
 
 // Implemented when the experimental API is available.
@@ skipping 677 matching lines @@
 
 /**
  * Implemented when the experimental API is available.
  * @private
  */
 WebViewInternal.prototype.maybeAttachWebRequestEventToWebview_ = function() {};
 
 exports.webView = webView;
 exports.WebViewInternal = WebViewInternal;
 exports.CreateEvent = createEvent;