experiment with -Wimplicit-fallthrough

content/renderer/pepper/content_renderer_pepper_host_factory.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/pepper/content_renderer_pepper_host_factory.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "content/public/common/content_client.h"
 #include "content/public/renderer/content_renderer_client.h"
@@ skipping 111 matching lines @@
       return scoped_ptr<ResourceHost>(new PepperWebSocketHost(
           host_, instance, params.pp_resource()));
 #if defined(ENABLE_WEBRTC)
     // These private MediaStream interfaces are exposed as if they were public
     // so they can be used by NaCl plugins. However, they are available only
     // for whitelisted apps.
     case PpapiHostMsg_VideoDestination_Create::ID:
       if (CanUseMediaStreamAPI(host_, instance))
         return scoped_ptr<ResourceHost>(new PepperVideoDestinationHost(
             host_, instance, params.pp_resource()));
+      break;
     case PpapiHostMsg_VideoSource_Create::ID:
       if (CanUseMediaStreamAPI(host_, instance))
         return scoped_ptr<ResourceHost>(new PepperVideoSourceHost(
             host_, instance, params.pp_resource()));
 #endif  // defined(ENABLE_WEBRTC)
   }
 
   // Dev interfaces.
   if (GetPermissions().HasPermission(ppapi::PERMISSION_DEV)) {
     switch (message.type()) {
@@ skipping 32 matching lines @@
 
   return scoped_ptr<ResourceHost>();
 }
 
 const ppapi::PpapiPermissions&
 ContentRendererPepperHostFactory::GetPermissions() const {
   return host_->GetPpapiHost()->permissions();
 }
 
 }  // namespace content