Fix for MIME handler bug.

extensions/browser/api/guest_view/guest_view_internal_api.cc

 // 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.
 
 #include "extensions/browser/api/guest_view/guest_view_internal_api.h"
 
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "extensions/browser/guest_view/guest_view_base.h"
 #include "extensions/browser/guest_view/guest_view_manager.h"
@@ skipping 21 matching lines @@
   GuestViewManager::WebContentsCreatedCallback callback =
       base::Bind(&GuestViewInternalCreateGuestFunction::CreateGuestCallback,
                  this);
 
   content::WebContents* sender_web_contents = GetSenderWebContents();
   if (!sender_web_contents) {
     error_ = "Guest views can only be embedded in web content";
     return false;
   }
 
+  // Add flag to |create_params| to indicate that the element size is specified
+  // in logical units.
+  create_params->SetBoolean(guestview::kElementSizeIsLogical, true);
+
   guest_view_manager->CreateGuest(view_type,
                                   sender_web_contents,
                                   *create_params,
                                   callback);
   return true;
 }
 
 void GuestViewInternalCreateGuestFunction::CreateGuestCallback(
     content::WebContents* guest_web_contents) {
   int guest_instance_id = 0;
@@ skipping 58 matching lines @@
     set_size_params.normal_size.reset(new gfx::Size(
         params->params.normal->width, params->params.normal->height));
   }
 
   guest->SetSize(set_size_params);
   SendResponse(true);
   return true;
 }
 
 }  // namespace extensions