Use unsigned longs in HTMLImageElement idl

third_party/WebKit/Source/core/html/HTMLImageElement.h

Index: third_party/WebKit/Source/core/html/HTMLImageElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLImageElement.h b/third_party/WebKit/Source/core/html/HTMLImageElement.h
index b093a00f6709e8c6b2111dab75fc985f8571467c..f26a6ffa3363cdb9afe7d5e5a340461a3265df09 100644
--- a/third_party/WebKit/Source/core/html/HTMLImageElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLImageElement.h
@@ -56,16 +56,16 @@ class CORE_EXPORT HTMLImageElement final : public HTMLElement,
                                   HTMLFormElement*,
                                   bool createdByParser);
   static HTMLImageElement* createForJSConstructor(Document&);
-  static HTMLImageElement* createForJSConstructor(Document&, int width);
+  static HTMLImageElement* createForJSConstructor(Document&, unsigned width);
   static HTMLImageElement* createForJSConstructor(Document&,
-                                                  int width,
-                                                  int height);
+                                                  unsigned width,
+                                                  unsigned height);
 
   ~HTMLImageElement() override;
   DECLARE_VIRTUAL_TRACE();
 
-  int width();
-  int height();
+  unsigned width();
+  unsigned height();
 
   int naturalWidth() const;
   int naturalHeight() const;
@@ -80,12 +80,12 @@ class CORE_EXPORT HTMLImageElement final : public HTMLElement,
 
   void setLoadingImageDocument() { imageLoader().setLoadingImageDocument(); }
 
-  void setHeight(int);
+  void setHeight(unsigned);
 
   KURL src() const;
   void setSrc(const String&);
 
-  void setWidth(int);
+  void setWidth(unsigned);
 
   int x() const;
   int y() const;