Revert of Add Gr*Proxy classes

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 597 matching lines @@
     return chosenSampleCount <= fGpu->caps()->maxSampleCount() ? chosenSampleCount : 0;
 }
 
 
 sk_sp<GrDrawContext> GrContext::drawContext(sk_sp<GrRenderTarget> rt,
                                             const SkSurfaceProps* surfaceProps) {
     ASSERT_SINGLE_OWNER
     return fDrawingManager->drawContext(std::move(rt), surfaceProps);
 }
 
-sk_sp<GrDrawContext> GrContext::newDrawContext(SkBackingFit fit,
+sk_sp<GrDrawContext> GrContext::newDrawContext(BackingFit fit,
                                                int width, int height,
                                                GrPixelConfig config,
                                                int sampleCnt,
                                                GrSurfaceOrigin origin) {
     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fOrigin = origin;
     desc.fWidth = width;
     desc.fHeight = height;
     desc.fConfig = config;
     desc.fSampleCnt = sampleCnt;
 
     sk_sp<GrTexture> tex;
-    if (SkBackingFit::kExact == fit) {
+    if (kTight_BackingFit == fit) {
         tex.reset(this->textureProvider()->createTexture(desc, SkBudgeted::kYes));
     } else {
         tex.reset(this->textureProvider()->createApproxTexture(desc));
     }
     if (!tex) {
         return nullptr;
     }
 
     sk_sp<GrDrawContext> drawContext(this->drawContext(sk_ref_sp(tex->asRenderTarget())));
     if (!drawContext) {
@@ skipping 83 matching lines @@
     ASSERT_SINGLE_OWNER
     fResourceCache->setLimits(maxTextures, maxTextureBytes);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 void GrContext::dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const {
     ASSERT_SINGLE_OWNER
     fResourceCache->dumpMemoryStatistics(traceMemoryDump);
 }