Fix nested GuestView's container bounds calculation.

chrome/browser/apps/guest_view/web_view_interactive_browsertest.cc

 // Copyright 2013 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 "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 805 matching lines @@
   // Wait for the embedder to receive a 'newwindow' event.
   ASSERT_TRUE(done_listener->WaitUntilSatisfied());
 }
 #endif
 
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest,
                        NewWindow_OpenerDestroyedWhileUnattached) {
   TestHelper("testNewWindowOpenerDestroyedWhileUnattached",
              "web_view/newwindow",
              NEEDS_TEST_SERVER);
-  ASSERT_EQ(2, GetGuestViewManager()->num_guests_created());
+  ASSERT_EQ(2u, GetGuestViewManager()->num_guests_created());
 
   // We have two guests in this test, one is the intial one, the other
   // is the newwindow one.
   // Before the embedder goes away, both the guests should go away.
   // This ensures that unattached guests are gone if opener is gone.
   GetGuestViewManager()->WaitForAllGuestsDeleted();
 }
 
 // Tests whether <webview> context menu sees <webview> local coordinates
 // in its RenderViewContextMenu params.
@@ skipping 314 matching lines @@
 
   // Now verify that the selection text propagates properly to RWHV.
   content::RenderWidgetHostView* guest_rwhv =
       guest_web_contents()->GetRenderWidgetHostView();
   ASSERT_TRUE(guest_rwhv);
   std::string selected_text = base::UTF16ToUTF8(guest_rwhv->GetSelectedText());
   ASSERT_TRUE(selected_text.size() >= 10u);
   ASSERT_EQ("AAAAAAAAAA", selected_text.substr(0, 10));
 }
 #endif