Remove DrawingMgr shims from GrContext

src/effects/SkGpuBlurUtils.cpp

Index: src/effects/SkGpuBlurUtils.cpp
diff --git a/src/effects/SkGpuBlurUtils.cpp b/src/effects/SkGpuBlurUtils.cpp
index ec37505d3eb041255ca547dbdda0981a109978ea..c897951925da0e32e88b3c3d7b883af6644ba917 100644
--- a/src/effects/SkGpuBlurUtils.cpp
+++ b/src/effects/SkGpuBlurUtils.cpp
@@ -220,7 +220,7 @@ GrTexture* GaussianBlur(GrContext* context,
                              i < scaleFactorY ? 0.5f : 1.0f);
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(
-                                             context->drawContext(dstTexture->asRenderTarget()));
+                                 context->drawingMgr().drawContext(dstTexture->asRenderTarget()));
         if (!dstDrawContext) {
             return nullptr;
         }
@@ -243,7 +243,7 @@ GrTexture* GaussianBlur(GrContext* context,
         SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(
-                                             context->drawContext(dstTexture->asRenderTarget()));
+                                 context->drawingMgr().drawContext(dstTexture->asRenderTarget()));
         if (!dstDrawContext) {
             return nullptr;
         }
@@ -260,7 +260,8 @@ GrTexture* GaussianBlur(GrContext* context,
             if (scaleFactorX > 1) {
                 // TODO: if we pass in the source draw context we don't need this here
                 if (!srcDrawContext) {
-                    srcDrawContext.reset(context->drawContext(srcTexture->asRenderTarget()));
+                    srcDrawContext.reset(
+                                context->drawingMgr().drawContext(srcTexture->asRenderTarget()));
                     if (!srcDrawContext) {
                         return nullptr;
                     }        
@@ -275,7 +276,7 @@ GrTexture* GaussianBlur(GrContext* context,
             SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
             SkAutoTUnref<GrDrawContext> dstDrawContext(
-                                            context->drawContext(dstTexture->asRenderTarget()));
+                                context->drawingMgr().drawContext(dstTexture->asRenderTarget()));
             if (!dstDrawContext) {
                 return nullptr;
             }
@@ -293,7 +294,8 @@ GrTexture* GaussianBlur(GrContext* context,
             if (scaleFactorY > 1 || sigmaX > 0.0f) {
                 // TODO: if we pass in the source draw context we don't need this here
                 if (!srcDrawContext) {
-                    srcDrawContext.reset(context->drawContext(srcTexture->asRenderTarget()));
+                    srcDrawContext.reset(
+                                context->drawingMgr().drawContext(srcTexture->asRenderTarget()));
                     if (!srcDrawContext) {
                         return nullptr;
                     }        
@@ -309,7 +311,7 @@ GrTexture* GaussianBlur(GrContext* context,
             SkRect dstRect = SkRect::MakeWH(srcRect.width(), srcRect.height());
 
             SkAutoTUnref<GrDrawContext> dstDrawContext(
-                                             context->drawContext(dstTexture->asRenderTarget()));
+                                context->drawingMgr().drawContext(dstTexture->asRenderTarget()));
             if (!dstDrawContext) {
                 return nullptr;
             }
@@ -347,7 +349,7 @@ GrTexture* GaussianBlur(GrContext* context,
         scale_rect(&dstRect, (float) scaleFactorX, (float) scaleFactorY);
 
         SkAutoTUnref<GrDrawContext> dstDrawContext(
-                                            context->drawContext(dstTexture->asRenderTarget()));
+                                context->drawingMgr().drawContext(dstTexture->asRenderTarget()));
         if (!dstDrawContext) {
             return nullptr;
         }