Turn //mojo/public/cpp/bindings and //mojo/public/cpp/system into components

mojo/public/cpp/bindings/sync_handle_registry.h

 // Copyright 2016 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 MOJO_PUBLIC_CPP_BINDINGS_SYNC_HANDLE_REGISTRY_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_SYNC_HANDLE_REGISTRY_H_
 
 #include <unordered_map>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
+#include "mojo/public/cpp/bindings/bindings_export.h"
 #include "mojo/public/cpp/system/core.h"
 
 namespace mojo {
 
 // SyncHandleRegistry is a thread-local storage to register handles that want to
 // be watched together.
 //
 // This class is not thread safe.
-class SyncHandleRegistry : public base::RefCounted<SyncHandleRegistry> {
+class MOJO_CPP_BINDINGS_EXPORT SyncHandleRegistry
+    : public base::RefCounted<SyncHandleRegistry> {
  public:
   // Returns a thread-local object.
   static scoped_refptr<SyncHandleRegistry> current();
 
   using HandleCallback = base::Callback<void(MojoResult)>;
   bool RegisterHandle(const Handle& handle,
                       MojoHandleSignals handle_signals,
                       const HandleCallback& callback);
 
   void UnregisterHandle(const Handle& handle);
@@ skipping 23 matching lines @@
   ScopedHandle wait_set_handle_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncHandleRegistry);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_SYNC_HANDLE_REGISTRY_H_