Implement ImageBitmapOptions resize

third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp b/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
index c4f61a920737688205b7a09ae86f9296d2369585..4000614412d90583b35b036e4f9d0376ab05e3f1 100644
--- a/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLCanvasElement.cpp
@@ -1108,10 +1108,10 @@ IntSize HTMLCanvasElement::bitmapSourceSize() const
 ScriptPromise HTMLCanvasElement::createImageBitmap(ScriptState* scriptState, EventTarget& eventTarget, int sx, int sy, int sw, int sh, const ImageBitmapOptions& options, ExceptionState& exceptionState)
 {
     DCHECK(eventTarget.toLocalDOMWindow());
-    if (!sw || !sh) {
-        exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
+    if (!ImageBitmap::isSWSHValid(sw, sh, exceptionState))
+        return ScriptPromise();
+    if (!ImageBitmap::isResizeOptionValid(options, exceptionState))
         return ScriptPromise();
-    }
     return ImageBitmapSource::fulfillImageBitmap(scriptState, isPaintable() ? ImageBitmap::create(this, IntRect(sx, sy, sw, sh), options) : nullptr);
 }