Componentization: make core/dom visible for blink_web and blink_tests.

Source/core/dom/MainThreadTaskRunner.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MainThreadTaskRunner_h
 #define MainThreadTaskRunner_h
 
+#include "core/CoreExport.h"
 #include "platform/Timer.h"
 
 #include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class ExecutionContext;
 class ExecutionContextTask;
 
-class MainThreadTaskRunner {
+class CORE_EXPORT MainThreadTaskRunner {
     WTF_MAKE_NONCOPYABLE(MainThreadTaskRunner);
     WTF_MAKE_FAST_ALLOCATED(MainThreadTaskRunner);
 
 public:
     static PassOwnPtr<MainThreadTaskRunner> create(ExecutionContext*);
 
     ~MainThreadTaskRunner();
 
     void postTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>); // Executes the task on context's thread asynchronously.
     void postInspectorTask(const WebTraceLocation&, PassOwnPtr<ExecutionContextTask>);
@@ skipping 15 matching lines @@
 };
 
 inline PassOwnPtr<MainThreadTaskRunner> MainThreadTaskRunner::create(ExecutionContext* context)
 {
     return adoptPtr(new MainThreadTaskRunner(context));
 }
 
 } // namespace
 
 #endif