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

content/browser/speech/chunked_byte_buffer.cc

Index: content/browser/speech/chunked_byte_buffer.cc
diff --git a/content/browser/speech/chunked_byte_buffer.cc b/content/browser/speech/chunked_byte_buffer.cc
index 7a0558918c8dafa1e732b2d080c3699d8865d00d..a43e40a420cf3721afdcc4bafb67bb7786919ede 100644
--- a/content/browser/speech/chunked_byte_buffer.cc
+++ b/content/browser/speech/chunked_byte_buffer.cc
@@ -103,10 +103,10 @@ bool ChunkedByteBuffer::HasChunks() const {
   return !chunks_.empty();
 }
 
-scoped_ptr<std::vector<uint8_t>> ChunkedByteBuffer::PopChunk() {
+std::unique_ptr<std::vector<uint8_t>> ChunkedByteBuffer::PopChunk() {
   if (chunks_.empty())
-    return scoped_ptr<std::vector<uint8_t>>();
-  scoped_ptr<Chunk> chunk(*chunks_.begin());
+    return std::unique_ptr<std::vector<uint8_t>>();
+  std::unique_ptr<Chunk> chunk(*chunks_.begin());
   chunks_.weak_erase(chunks_.begin());
   DCHECK_EQ(chunk->header.size(), kHeaderLength);
   DCHECK_EQ(chunk->content->size(), chunk->ExpectedContentLength());