Switch to standard integer types in components/, part 3 of 4.

components/plugins/renderer/plugin_placeholder.h

 // 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.
 
 #ifndef COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
 #define COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
 
+#include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/plugins/renderer/webview_plugin.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "gin/handle.h"
 #include "gin/wrappable.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebPluginParams.h"
 
 namespace plugins {
 
@@ skipping 60 matching lines @@
   v8::Local<v8::Value> GetV8Handle(v8::Isolate* isolate) final;
 
   // gin::Wrappable method:
   gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
       v8::Isolate* isolate) override;
 };
 
 }  // namespace plugins
 
 #endif  // COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_