Remove Unused method PlatformInstrumentation::willResizeImage and didResizeImage.

Source/platform/PlatformInstrumentation.h

Index: Source/platform/PlatformInstrumentation.h
diff --git a/Source/platform/PlatformInstrumentation.h b/Source/platform/PlatformInstrumentation.h
index 1f1dfa0d7dee97aa2a4c3138c7221250d2ea401f..ae892b816529f6fe0c48eeaddfdef3dc840f09ea 100644
--- a/Source/platform/PlatformInstrumentation.h
+++ b/Source/platform/PlatformInstrumentation.h
@@ -60,8 +60,6 @@ public:
 
     static void willDecodeImage(const String& imageType);
     static void didDecodeImage();
-    static void willResizeImage(bool shouldCache);
-    static void didResizeImage();
     static void didDrawLazyPixelRef(unsigned long long lazyPixelRefId);
     static void willDecodeLazyPixelRef(unsigned long long lazyPixelRefId);
     static void didDecodeLazyPixelRef();
@@ -80,16 +78,6 @@ inline void PlatformInstrumentation::didDecodeImage()
     TRACE_EVENT_END0(CategoryName, ImageDecodeEvent);
 }
 
-inline void PlatformInstrumentation::willResizeImage(bool shouldCache)
-{
-    TRACE_EVENT_BEGIN1(CategoryName, ImageResizeEvent, CachedArgument, shouldCache);
-}
-
-inline void PlatformInstrumentation::didResizeImage()
-{
-    TRACE_EVENT_END0(CategoryName, ImageResizeEvent);
-}
-
 inline void PlatformInstrumentation::didDrawLazyPixelRef(unsigned long long lazyPixelRefId)
 {
     TRACE_EVENT_INSTANT1(CategoryName, DrawLazyPixelRefEvent, TRACE_EVENT_SCOPE_THREAD, LazyPixelRef, lazyPixelRefId);