Start using GrGpuCommandBuffer in GrDrawTarget.

src/gpu/vk/GrVkResourceProvider.cpp

Index: src/gpu/vk/GrVkResourceProvider.cpp
diff --git a/src/gpu/vk/GrVkResourceProvider.cpp b/src/gpu/vk/GrVkResourceProvider.cpp
index a632be44e22b4e54e28d17351e7689a6d1575c50..31d5568b603030046fcab264dd3a2194f578cc43 100644
--- a/src/gpu/vk/GrVkResourceProvider.cpp
+++ b/src/gpu/vk/GrVkResourceProvider.cpp
@@ -339,7 +339,7 @@ GrVkRenderPass* GrVkResourceProvider::CompatibleRenderPassSet::getRenderPass(
             return fRenderPasses[idx];
         }
     }
-    GrVkRenderPass* renderPass = fRenderPasses.push_back();
+    GrVkRenderPass* renderPass = fRenderPasses.emplace_back(new GrVkRenderPass());
     renderPass->init(gpu, *this->getCompatibleRenderPass(), colorOps, resolveOps, stencilOps);
     fLastReturnedIndex = fRenderPasses.count() - 1;
     return renderPass;