Don't fail clip-paths with empty bounds

third_party/WebKit/Source/core/paint/SVGClipPainter.cpp

 // Copyright 2015 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 "core/paint/SVGClipPainter.h"
 
 #include "core/dom/ElementTraversal.h"
 #include "core/layout/svg/LayoutSVGResourceClipper.h"
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/layout/svg/SVGResources.h"
@@ skipping 30 matching lines @@
                                    const FloatRect& targetBoundingBox,
                                    const FloatRect& visualRect,
                                    const FloatPoint& layerPositionOffset,
                                    GraphicsContext& context,
                                    ClipperState& clipperState) {
   DCHECK_EQ(clipperState, ClipperState::NotApplied);
   SECURITY_DCHECK(!m_clip.needsLayout());
 
   m_clip.clearInvalidationMask();
 
-  if (visualRect.isEmpty() || m_clip.hasCycle())
+  if (m_clip.hasCycle())
     return false;
 
   SVGClipExpansionCycleHelper inClipExpansionChange(m_clip);
 
   AffineTransform animatedLocalTransform =
       toSVGClipPathElement(m_clip.element())
           ->calculateTransform(SVGElement::IncludeMotionTransform);
   // When drawing a clip for non-SVG elements, the CTM does not include the zoom
   // factor.  In this case, we need to apply the zoom scale explicitly - but
   // only for clips with userSpaceOnUse units (the zoom is accounted for
@@ skipping 100 matching lines @@
   }
 
   LayoutObjectDrawingRecorder drawingRecorder(
       context, layoutObject, DisplayItem::kSVGClip, targetVisualRect);
   sk_sp<SkPicture> maskPicture = maskPictureBuilder.endRecording();
   context.drawPicture(maskPicture.get());
   return true;
 }
 
 }  // namespace blink