[Extensions] Code Cleanup - Remove redundant smart-ptr get()s

extensions/browser/api/cast_channel/cast_framer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/api/cast_channel/cast_framer.h"
 
 #include <stdlib.h>
 
 #include <limits>
 
@@ skipping 115 matching lines @@
   DCHECK_EQ(base::checked_cast<int32_t>(message_bytes_received_),
             input_buffer_->offset());
   CHECK_LE(num_bytes, BytesRequested());
   message_bytes_received_ += num_bytes;
   *error = CHANNEL_ERROR_NONE;
   *message_length = 0;
   switch (current_element_) {
     case HEADER:
       if (BytesRequested() == 0) {
         MessageHeader header;
-        MessageHeader::Deserialize(input_buffer_.get()->StartOfBuffer(),
-                                   &header);
+        MessageHeader::Deserialize(input_buffer_->StartOfBuffer(), &header);
         if (header.message_size > MessageHeader::max_message_size()) {
           VLOG(1) << "Error parsing header (message size too large).";
           *error = CHANNEL_ERROR_INVALID_MESSAGE;
           error_ = true;
           return nullptr;
         }
         current_element_ = BODY;
         body_size_ = header.message_size;
       }
       break;
@@ skipping 25 matching lines @@
 void MessageFramer::Reset() {
   current_element_ = HEADER;
   message_bytes_received_ = 0;
   body_size_ = 0;
   input_buffer_->set_offset(0);
 }
 
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions