convert //gpu to std::unique_ptr

gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc

Index: gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
diff --git a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
index 5f1e1e0a1194bf01bd69fd038a67e440eac1a43b..38565cb699021e2b304cd4b3c2262bb1c3a9dd0c 100644
--- a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
+++ b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
@@ -8,6 +8,8 @@
 #include <GLES2/gl2extchromium.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/process/process_handle.h"
@@ -172,7 +174,7 @@ TEST_P(GpuMemoryBufferTest, Lifecycle) {
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 
   // Create the gpu memory buffer.
-  scoped_ptr<gfx::GpuMemoryBuffer> buffer(gl_.CreateGpuMemoryBuffer(
+  std::unique_ptr<gfx::GpuMemoryBuffer> buffer(gl_.CreateGpuMemoryBuffer(
       gfx::Size(kImageWidth, kImageHeight), GetParam()));
 
   // Map buffer for writing.