Implemented explicit resizing from guestview.

extensions/common/api/guest_view_internal.json

 // Copyright 2014 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.
 
 [
   {
     "namespace": "guestViewInternal",
     "compiler_options": {
       "implemented_in": "extensions/browser/api/guest_view/guest_view_internal_api.h"
     },
     "description": "none",
     "types": [
       {
         "id": "Size",
         "type": "object",
         "properties": {
           "width": {
             "type": "integer"
           },
           "height": {
             "type": "integer"
           }
         }
       },
       {
-        "id": "AutoSizeParams",
+        "id": "SizeParams",
         "type": "object",
-        "description": "Autosize parameters.",
+        "description": "Size parameters.",
         "properties": {
           "enableAutoSize": {
-            "type": "boolean"
+            "type": "boolean",
+            "optional": true
           },
           "min": {
-            "$ref": "Size"
+            "$ref": "Size",
+            "optional": true
           },
           "max": {
-            "$ref": "Size"
+            "$ref": "Size",
+            "optional": true
+          },
+          "normal": {
+            "$ref": "Size",
+            "optional": true
           }
         }
       }
     ],
     "functions": [
       {
         "name": "createGuest",
         "type": "function",
         "parameters": [
           {
@@ skipping 28 matching lines @@
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [],
             "optional": true
           }
         ]
       },
       {
-        "name": "setAutoSize",
+        "name": "setSize",
         "type": "function",
         "parameters": [
           {
             "type": "integer",
             "name": "instanceId",
             "description": "The instance ID of the guest <webview> process. This not exposed to developers through the API."
           },
           {
-            "$ref": "AutoSizeParams",
+            "$ref": "SizeParams",
             "name": "params"
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [],
             "optional": true
           }
         ]
       }
     ]
   }
 ]