| Index: third_party/WebKit/public/platform/WebTaskRunner.h
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| diff --git a/third_party/WebKit/public/platform/WebTaskRunner.h b/third_party/WebKit/public/platform/WebTaskRunner.h
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| index c1ec7e6cf97bf6e3529c56631cb8367bc0945bae..ef68b67bdeed2abac7f5301e70398adc44eb550e 100644
 | 
| --- a/third_party/WebKit/public/platform/WebTaskRunner.h
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| +++ b/third_party/WebKit/public/platform/WebTaskRunner.h
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| @@ -90,6 +90,9 @@ class BLINK_PLATFORM_EXPORT WebTaskRunner {
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|    // Returns a clone of the WebTaskRunner.
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|    virtual std::unique_ptr<WebTaskRunner> clone() = 0;
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|  
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| +  // Returns true if this is a clone of another WebTaskRunner.
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| +  virtual bool isCloneOf(WebTaskRunner*) = 0;
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| +
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|    // Returns true if the current thread is a thread on which a task may be run.
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|    // Can be called from any thread.
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|    virtual bool runsTasksOnCurrentThread() = 0;
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| 
 |