Implement ImageBitmapOptions resize

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

Index: third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp b/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
index 04ae3c0f4c4b88d04dc13ea5d87e69732cfcd376..7aaf6d03619563a6e1bc94d49151020323f35d1d 100644
--- a/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
@@ -327,7 +327,7 @@ IntSize HTMLVideoElement::bitmapSourceSize() const
     return IntSize(videoWidth(), videoHeight());
 }
 
-ScriptPromise HTMLVideoElement::createImageBitmap(ScriptState* scriptState, EventTarget& eventTarget, int sx, int sy, int sw, int sh, const ImageBitmapOptions& options, ExceptionState& exceptionState)
+ScriptPromise HTMLVideoElement::createImageBitmap(ScriptState* scriptState, EventTarget& eventTarget, Optional<IntRect> cropRect, const ImageBitmapOptions& options, ExceptionState& exceptionState)
 {
     DCHECK(eventTarget.toLocalDOMWindow());
     if (getNetworkState() == HTMLMediaElement::NETWORK_EMPTY) {
@@ -338,11 +338,12 @@ ScriptPromise HTMLVideoElement::createImageBitmap(ScriptState* scriptState, Even
         exceptionState.throwDOMException(InvalidStateError, "The provided element's player has no current data.");
         return ScriptPromise();
     }
-    if (!sw || !sh) {
-        exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
+    if ((cropRect && !ImageBitmap::isSourceSizeValid(cropRect->width(), cropRect->height(), exceptionState))
+        || !ImageBitmap::isSourceSizeValid(bitmapSourceSize().width(), bitmapSourceSize().height(), exceptionState))
         return ScriptPromise();
-    }
-    return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, IntRect(sx, sy, sw, sh), eventTarget.toLocalDOMWindow()->document(), options));
+    if (!ImageBitmap::isResizeOptionValid(options, exceptionState))
+        return ScriptPromise();
+    return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, cropRect, eventTarget.toLocalDOMWindow()->document(), options));
 }
 
 } // namespace blink