Stop async spellchecker before running the leak detector.

third_party/WebKit/public/web/WebLeakDetector.h

 /*
  * 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
@@ skipping 13 matching lines @@
  * 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 WebLeakDetector_h
 #define WebLeakDetector_h
 
-#include "WebFrame.h"
 #include "public/platform/WebCommon.h"
 
 namespace blink {
 
+class WebFrame;
+
 class WebLeakDetectorClient {
 public:
     struct Result {
         unsigned numberOfLiveAudioNodes;
         unsigned numberOfLiveDocuments;
         unsigned numberOfLiveNodes;
         unsigned numberOfLiveLayoutObjects;
         unsigned numberOfLiveResources;
         unsigned numberOfLiveActiveDOMObjects;
         unsigned numberOfLiveScriptPromises;
@@ skipping 23 matching lines @@
     //
     // |WebLeakDetectorClient::onLeakDetectionComplete()| is called
     // with the result of the (leaked) resource counting.
     //
     // By separating into two, the caller is able to inject any
     // additional releasing of resources needed before the garbage
     // collections go ahead.
 
     // Perform initial stage of preparing for leak detection,
     // releasing references to resources held globally.
-    virtual void prepareForLeakDetection() = 0;
+    virtual void prepareForLeakDetection(WebFrame*) = 0;
 
     // Garbage collect Blink's heaps and report leak counts.
     // |WebLeakDetectorClient::onLeakDetectionComplete()| is called
     // upon completion.
     virtual void collectGarbageAndReport() = 0;
 };
 
 } // namespace blink
 
 #endif // WebLeakDetector_h