Move GrAtlasTextContext to GrDrawingManager, so we only have one.

src/gpu/GrDrawingManager.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDrawContext.h"
 #include "GrDrawingManager.h"
 #include "GrDrawTarget.h"
@@ skipping 132 matching lines @@
 
     GrDrawTarget* dt = new GrDrawTarget(rt, fContext->getGpu(), fContext->resourceProvider(),
                                         fContext->getAuditTrail(), fOptionsForDrawTargets);
 
     *fDrawTargets.append() = dt;
 
     // DrawingManager gets the creation ref - this ref is for the caller
     return SkRef(dt);
 }
 
+GrAtlasTextContext* GrDrawingManager::getAtlasTextContext() {
+    if (!fAtlasTextContext) {
+        fAtlasTextContext.reset(GrAtlasTextContext::Create());
+    }
+
+    return fAtlasTextContext.get();
+}
+
 /*
  * This method finds a path renderer that can draw the specified path on
  * the provided target.
  * Due to its expense, the software path renderer has split out so it can
  * can be individually allowed/disallowed via the "allowSW" boolean.
  */
 GrPathRenderer* GrDrawingManager::getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args,
                                                   bool allowSW,
                                                   GrPathRendererChain::DrawType drawType,
                                                   GrPathRenderer::StencilSupport* stencilSupport) {
@@ skipping 35 matching lines @@
                                                         std::move(colorSpace), surfaceProps,
                                                         fContext->getAuditTrail(), fSingleOwner));
         }
     }
 
     return sk_sp<GrDrawContext>(new GrDrawContext(fContext, this, std::move(rt),
                                                   std::move(colorSpace), surfaceProps,
                                                   fContext->getAuditTrail(),
                                                   fSingleOwner));
 }