Use unsigned longs in HTMLImageElement idl

third_party/WebKit/Source/modules/shapedetection/FaceDetector.cpp

 // 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.
 
 #include "modules/shapedetection/FaceDetector.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/DOMRect.h"
 #include "core/dom/Document.h"
 #include "core/fetch/ImageResource.h"
@@ skipping 97 matching lines @@
   }
 
   Image* const blinkImage = imageResource->getImage();
   if (!blinkImage) {
     resolver->reject(DOMException::create(
         InvalidStateError, "Failed to get image from resource."));
     return promise;
   }
 
   const sk_sp<SkImage> image = blinkImage->imageForCurrentFrame();
-  DCHECK_EQ(img->naturalWidth(), image->width());
-  DCHECK_EQ(img->naturalHeight(), image->height());
+  DCHECK_EQ(img->naturalWidth(), static_cast<unsigned>(image->width()));
+  DCHECK_EQ(img->naturalHeight(), static_cast<unsigned>(image->height()));
 
   if (!image) {
     resolver->reject(DOMException::create(
         InvalidStateError, "Failed to get image from current frame."));
     return promise;
   }
 
   const SkImageInfo skiaInfo =
       SkImageInfo::MakeN32(image->width(), image->height(), image->alphaType());
 
@@ skipping 179 matching lines @@
 
   resolver->resolve(detectedFaces);
   m_serviceRequests.remove(resolver);
 }
 
 DEFINE_TRACE(FaceDetector) {
   visitor->trace(m_serviceRequests);
 }
 
 }  // namespace blink