win: build fixes

mojo/shell/dynamic_application_loader.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 "mojo/shell/dynamic_application_loader.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 67 matching lines @@
 
   virtual bool PeekFirstLine(std::string* line) = 0;
 
   void Load() {
     // If the response begins with a #!mojo:<content-handler-url>, use it.
     GURL url;
     std::string shebang;
     if (PeekContentHandler(&shebang, &url)) {
       load_callbacks_->LoadWithContentHandler(
           url, AsURLResponse(context_->task_runners()->blocking_pool(),
-                             shebang.size()));
+                             static_cast<int>(shebang.size())));
       return;
     }
 
     MimeTypeToURLMap::iterator iter = mime_type_to_url_->find(MimeType());
     if (iter != mime_type_to_url_->end()) {
       load_callbacks_->LoadWithContentHandler(
           iter->second,
           AsURLResponse(context_->task_runners()->blocking_pool(), 0));
       return;
     }
@@ skipping 292 matching lines @@
   // TODO(darin): What should we do about service errors? This implies that
   // the app closed its handle to the service manager. Maybe we don't care?
 }
 
 void DynamicApplicationLoader::LoaderComplete(Loader* loader) {
   loaders_.erase(std::find(loaders_.begin(), loaders_.end(), loader));
 }
 
 }  // namespace shell
 }  // namespace mojo