Split Gradient impl into separate classes

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.h

 // Copyright 2016 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.
 
 #ifndef BaseRenderingContext2D_h
 #define BaseRenderingContext2D_h
 
 #include "bindings/modules/v8/CSSImageValueOrHTMLImageElementOrSVGImageElementOrHTMLVideoElementOrHTMLCanvasElementOrImageBitmapOrOffscreenCanvas.h"
 #include "bindings/modules/v8/StringOrCanvasGradientOrCanvasPattern.h"
 #include "core/html/ImageData.h"
@@ skipping 378 matching lines @@
     return false;
 
   SkIRect clipBounds;
   if (!drawingCanvas() || !drawingCanvas()->getDeviceClipBounds(&clipBounds))
     return false;
 
   // If gradient size is zero, then paint nothing.
   CanvasStyle* style = state().style(paintType);
   if (style) {
     CanvasGradient* gradient = style->getCanvasGradient();
-    if (gradient && gradient->getGradient()->isZeroSize())
+    if (gradient && gradient->isZeroSize())
       return false;
   }
 
   if (isFullCanvasCompositeMode(state().globalComposite()) ||
       stateHasFilter()) {
     compositedDraw(drawFunc, drawingCanvas(), paintType, imageType);
     didDraw(clipBounds);
   } else if (state().globalComposite() == SkBlendMode::kSrc) {
     clearCanvas();  // takes care of checkOverdraw()
     const PaintFlags* flags =
@@ skipping 58 matching lines @@
   foregroundFlags.setBlendMode(SkBlendMode::kSrcOver);
   c->setMatrix(ctm);
   drawFunc(c, &foregroundFlags);
   c->restore();
   c->setMatrix(ctm);
 }
 
 }  // namespace blink
 
 #endif  // BaseRenderingContext2D_h