Add vulkan files into skia repo.

src/gpu/vk/GrVkUniformBuffer.h

Index: src/gpu/vk/GrVkUniformBuffer.h
diff --git a/src/gpu/vk/GrVkUniformBuffer.h b/src/gpu/vk/GrVkUniformBuffer.h
new file mode 100644
index 0000000000000000000000000000000000000000..0eae47b30b9ebe46eec37ec80deeffc5c1dfb83d
--- /dev/null
+++ b/src/gpu/vk/GrVkUniformBuffer.h
@@ -0,0 +1,45 @@
+/*
+* Copyright 2015 Google Inc.
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+
+#ifndef GrVkUniformBuffer_DEFINED
+#define GrVkUniformBuffer_DEFINED
+
+#include "GrVkBuffer.h"
+#include "vk/GrVkInterface.h"
+
+class GrVkGpu;
+
+class GrVkUniformBuffer : public GrVkBuffer {
+
+public:
+    static GrVkUniformBuffer* Create(GrVkGpu* gpu, size_t size, bool dynamic);
+
+    void* map(const GrVkGpu* gpu) {
+        return this->vkMap(gpu);
+    }
+    void unmap(const GrVkGpu* gpu) {
+        this->vkUnmap(gpu);
+    }
+    bool updateData(const GrVkGpu* gpu, const void* src, size_t srcSizeInBytes) {
+        return this->vkUpdateData(gpu, src, srcSizeInBytes);
+    }
+    void release(const GrVkGpu* gpu) {
+        this->vkRelease(gpu);
+    }
+    void abandon() {
+        this->vkAbandon();
+    }
+
+private:
+    GrVkUniformBuffer(const GrVkBuffer::Desc& desc, const GrVkBuffer::Resource* resource)
+        : INHERITED(desc, resource) {
+    };
+
+    typedef GrVkBuffer INHERITED;
+};
+
+#endif