Convert //ppapi to use std::unique_ptr

ppapi/proxy/video_encoder_resource_unittest.cc

Index: ppapi/proxy/video_encoder_resource_unittest.cc
diff --git a/ppapi/proxy/video_encoder_resource_unittest.cc b/ppapi/proxy/video_encoder_resource_unittest.cc
index 2b122e93b591895a49e9e1a4b74cf6d75293c880..3d7fe118bce452a66d6ab0cbc9f3a15cb48a2cb3 100644
--- a/ppapi/proxy/video_encoder_resource_unittest.cc
+++ b/ppapi/proxy/video_encoder_resource_unittest.cc
@@ -123,7 +123,7 @@ class VideoEncoderResourceTest : public PluginProxyTest,
   void CreateBitstreamSharedMemory(uint32_t buffer_size, uint32_t nb_buffers) {
     shared_memory_bitstreams_.clear();
     for (uint32_t i = 0; i < nb_buffers; ++i) {
-      scoped_ptr<base::SharedMemory> mem(new base::SharedMemory());
+      std::unique_ptr<base::SharedMemory> mem(new base::SharedMemory());
       ASSERT_TRUE(mem->CreateAnonymous(buffer_size));
       shared_memory_bitstreams_.push_back(std::move(mem));
     }
@@ -131,7 +131,7 @@ class VideoEncoderResourceTest : public PluginProxyTest,
 
   void CreateVideoFramesSharedMemory(uint32_t frame_length,
                                      uint32_t frame_count) {
-    scoped_ptr<base::SharedMemory> shared_memory_frames(
+    std::unique_ptr<base::SharedMemory> shared_memory_frames(
         new base::SharedMemory());
     uint32_t buffer_length =
         frame_length + sizeof(ppapi::MediaStreamBuffer::Video);