Fix code style and gyp files in cast to build cast_unittest

media/cast/rtcp/test_rtcp_packet_builder.cc

 // Copyright 2013 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 "media/cast/rtcp/test_rtcp_packet_builder.h"
 
 #include "base/logging.h"
 
 namespace media {
 namespace cast {
@@ skipping 27 matching lines @@
   big_endian_writer_.WriteU32(kJitter);
   big_endian_writer_.WriteU32(kLastSr);
   big_endian_writer_.WriteU32(kDelayLastSr);
 }
 
 void TestRtcpPacketBuilder::AddSdesCname(uint32 sender_ssrc,
                                          const std::string& c_name) {
   AddRtcpHeader(202, 1);
   big_endian_writer_.WriteU32(sender_ssrc);
   big_endian_writer_.WriteU8(1);  // c_name.
-  big_endian_writer_.WriteU8(c_name.size());  // c_name length in bytes.
+  big_endian_writer_.WriteU8(
+      static_cast<uint8>(c_name.size()));  // c_name length in bytes.
   for (size_t i = 0; i < c_name.size(); ++i) {
     big_endian_writer_.WriteU8(c_name.c_str()[i]);
   }
   int padding;
   switch (c_name.size() % 4) {
     case 0:
       padding = 2;
       break;
     case 1:
       padding = 1;
@@ skipping 162 matching lines @@
   big_endian_writer_.WriteU8(0x80 | (format_or_count & 0x1F));
   big_endian_writer_.WriteU8(payload);
   ptr_of_length_ = big_endian_writer_.ptr();
 
   // Initialize length to "clearly illegal".
   big_endian_writer_.WriteU16(0xDEAD);
 }
 
 }  // namespace cast
 }  // namespace media