Oilpan: Introduce GCTaskRunner

third_party/WebKit/Source/platform/heap/MessageLoopInterruptor.h

Index: third_party/WebKit/Source/platform/heap/MessageLoopInterruptor.h
diff --git a/third_party/WebKit/Source/platform/heap/MessageLoopInterruptor.h b/third_party/WebKit/Source/platform/heap/MessageLoopInterruptor.h
deleted file mode 100644
index 67d6d2053f202ab1542c2ab9e1e0b902fe46af73..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/platform/heap/MessageLoopInterruptor.h
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-/*
- * Copyright (C) 2014 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.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * 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 MessageLoopInterruptor_h
-#define MessageLoopInterruptor_h
-
-#include "platform/heap/BlinkGCInterruptor.h"
-#include "public/platform/WebTaskRunner.h"
-#include "public/platform/WebTraceLocation.h"
-
-namespace blink {
-
-class MessageLoopInterruptor : public BlinkGCInterruptor {
-public:
-    explicit MessageLoopInterruptor(WebTaskRunner* taskRunner) : m_taskRunner(taskRunner) { }
-
-    void requestInterrupt() override
-    {
-        // GCTask has an empty run() method. Its only purpose is to guarantee
-        // that MessageLoop will have a task to process which will result
-        // in PendingGCRunner::didProcessTask being executed.
-        m_taskRunner->postTask(BLINK_FROM_HERE, new GCTask);
-    }
-
-private:
-    class GCTask : public WebTaskRunner::Task {
-    public:
-        virtual ~GCTask() { }
-
-        void run() override
-        {
-            // Don't do anything here because we don't know if this is
-            // a nested event loop or not. PendingGCRunner::didProcessTask
-            // will enter correct safepoint for us.
-            // We are not calling onInterrupted() because that always
-            // conservatively enters safepoint with pointers on stack.
-        }
-    };
-
-    WebTaskRunner* m_taskRunner;
-};
-
-} // namespace blink
-
-#endif