Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/speech/chunked_byte_buffer_unittest.cc

Index: content/browser/speech/chunked_byte_buffer_unittest.cc
diff --git a/content/browser/speech/chunked_byte_buffer_unittest.cc b/content/browser/speech/chunked_byte_buffer_unittest.cc
index 56919757a4ee078510ac76bb333d7f95cd3ab789..d8a5cb27842b598e39f2b02c77948e027a7c57f5 100644
--- a/content/browser/speech/chunked_byte_buffer_unittest.cc
+++ b/content/browser/speech/chunked_byte_buffer_unittest.cc
@@ -42,7 +42,7 @@ TEST(ChunkedByteBufferTest, BasicTest) {
   EXPECT_TRUE(buffer.HasChunks());
 
   // Remove and check chunk 1.
-  scoped_ptr<ByteVector> chunk;
+  std::unique_ptr<ByteVector> chunk;
   chunk = buffer.PopChunk();
   EXPECT_TRUE(chunk != NULL);
   EXPECT_EQ(4U, chunk->size());