Split drawing functionality out of GrContext and into new GrDrawContext

src/gpu/GrStencilAndCoverTextContext.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrStencilAndCoverTextContext.h"
 #include "GrAtlasTextContext.h"
+#include "GrDrawContext.h"
 #include "GrDrawTarget.h"
 #include "GrPath.h"
 #include "GrPathRange.h"
 #include "GrResourceProvider.h"
 #include "SkAutoKern.h"
 #include "SkDraw.h"
 #include "SkDrawProcs.h"
 #include "SkGlyphCache.h"
 #include "SkGpuDevice.h"
 #include "SkPath.h"
@@ skipping 407 matching lines @@
     GR_STATIC_ASSERT(0 == offsetof(SkPoint, fX));
 
     return &pointArray[0].fX;
 }
 
 void GrStencilAndCoverTextContext::flush() {
     if (fQueuedGlyphCount > 0) {
         SkAutoTUnref<GrPathProcessor> pp(GrPathProcessor::Create(fPaint.getColor(),
                                                                  fViewMatrix,
                                                                  fLocalMatrix));
-        fDrawTarget->drawPaths(&fPipelineBuilder, pp, fGlyphs,
+
+        GrDrawContext* drawContext = fContext->drawContext();
+        if (!drawContext) {
+            return;
+        }
+
+        drawContext->drawPaths(&fPipelineBuilder, pp, fGlyphs,
                                fGlyphIndices, GrPathRange::kU16_PathIndexType,
                                get_xy_scalar_array(fGlyphPositions),
                                GrPathRendering::kTranslate_PathTransformType,
                                fQueuedGlyphCount, GrPathRendering::kWinding_FillType);
 
         fQueuedGlyphCount = 0;
     }
 
     if (fFallbackGlyphsIdx < kGlyphBufferSize) {
         int fallbackGlyphCount = kGlyphBufferSize - fFallbackGlyphsIdx;
@@ skipping 27 matching lines @@
 
     fGlyphs->unref();
     fGlyphs = NULL;
 
     SkGlyphCache::AttachCache(fGlyphCache);
     fGlyphCache = NULL;
 
     fPipelineBuilder.stencil()->setDisabled();
     fStateRestore.set(NULL);
     fViewMatrix = fContextInitialMatrix;
-    GrTextContext::finish();
 }