Convert GrClip to an abstract base class

src/gpu/GrContext.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrContext.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
@@ skipping 355 matching lines @@
             sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(renderTarget)));
             if (!drawContext) {
                 return false;
             }
             // SRGBTODO: AllowSRGBInputs? (We could force it on here, so we don't need the
             // per-texture override in config conversion effect?)
             GrPaint paint;
             paint.addColorFragmentProcessor(fp);
             paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
             SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
-            drawContext->drawRect(GrClip::WideOpen(), paint, matrix, rect, nullptr);
+            drawContext->drawRect(GrNoClip(), paint, matrix, rect, nullptr);
 
             if (kFlushWrites_PixelOp & pixelOpsFlags) {
                 this->flushSurfaceWrites(surface);
             }
         }
     }
     if (!tempTexture) {
         if (applyPremulToSrc) {
             size_t tmpRowBytes = 4 * width;
             tmpPixels.reset(width * height);
@@ skipping 93 matching lines @@
             }
             if (fp) {
                 // SRGBTODO: AllowSRGBInputs? (We could force it on here, so we don't need the
                 // per-texture override in config conversion effect?)
                 GrPaint paint;
                 paint.addColorFragmentProcessor(fp);
                 paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
                 SkRect rect = SkRect::MakeWH(SkIntToScalar(width), SkIntToScalar(height));
                 sk_sp<GrDrawContext> drawContext(
                                             this->drawContext(sk_ref_sp(temp->asRenderTarget())));
-                drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect, nullptr);
+                drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), rect, nullptr);
                 surfaceToRead.reset(SkRef(temp.get()));
                 left = 0;
                 top = 0;
                 didTempDraw = true;
             }
         }
     }
 
     if (GrGpu::kRequireDraw_DrawPreference == drawPreference && !didTempDraw) {
         return false;
@@ skipping 51 matching lines @@
     GrPaint paint;
     paint.addColorTextureProcessor(src, GrCoordTransform::MakeDivByTextureWHMatrix(src));
     if (!SkScalarNearlyEqual(gamma, 1.0f)) {
         paint.addColorFragmentProcessor(GrGammaEffect::Create(gamma))->unref();
     }
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
     paint.setGammaCorrect(true);
 
     SkRect rect;
     src->getBoundsRect(&rect);
-    drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect);
+    drawContext->drawRect(GrNoClip(), paint, SkMatrix::I(), rect);
 
     this->flushSurfaceWrites(dst);
     return true;
 }
 
 void GrContext::prepareSurfaceForExternalIO(GrSurface* surface) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkASSERT(surface);
     ASSERT_OWNED_RESOURCE(surface);
@@ skipping 191 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }