Fix mistaken assumptions in tests

content/renderer/browser_plugin/browser_plugin_browsertest.cc

 // 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.
 
 #include "content/renderer/browser_plugin/browser_plugin_browsertest.h"
 
 #include "base/files/file_path.h"
 #include "base/memory/singleton.h"
 #include "base/path_service.h"
 #include "base/pickle.h"
@@ skipping 301 matching lines @@
     update_rect_params.damage_buffer_sequence_id =
         browser_plugin->damage_buffer_sequence_id_;
     BrowserPluginMsg_UpdateRect msg(instance_id, update_rect_params);
     browser_plugin->OnMessageReceived(msg);
     EXPECT_EQ(NULL, browser_plugin->pending_damage_buffer_.get());
   }
 
   browser_plugin_manager()->sink().ClearMessages();
 
   // Resize the browser plugin three times.
+
   ExecuteJavaScript("document.getElementById('browserplugin').width = '641px'");
+  GetMainFrame()->view()->layout();
   ProcessPendingMessages();
+
   ExecuteJavaScript("document.getElementById('browserplugin').width = '642px'");
+  GetMainFrame()->view()->layout();
   ProcessPendingMessages();
+
   ExecuteJavaScript("document.getElementById('browserplugin').width = '643px'");
+  GetMainFrame()->view()->layout();
   ProcessPendingMessages();
 
   // Expect to see one resize messsage in the sink. BrowserPlugin will not issue
   // subsequent resize requests until the first request is satisfied by the
   // guest. The rest of the messages could be
   // BrowserPluginHostMsg_UpdateGeometry msgs.
   EXPECT_LE(1u, browser_plugin_manager()->sink().message_count());
   for (size_t i = 0; i < browser_plugin_manager()->sink().message_count();
        ++i) {
     const IPC::Message* msg = browser_plugin_manager()->sink().GetMessageAt(i);
@@ skipping 287 matching lines @@
     // These value are not populated (as an optimization) if autosize is
     // disabled.
     EXPECT_EQ(0, auto_size_params.min_size.width());
     EXPECT_EQ(0, auto_size_params.min_size.height());
     EXPECT_EQ(0, auto_size_params.max_size.width());
     EXPECT_EQ(0, auto_size_params.max_size.height());
   }
 }
 
 }  // namespace content