Move remoting::GetUsername() from remoting/base to remoting/host

remoting/base/util.cc

 // Copyright (c) 2012 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 "remoting/base/util.h"
 
 #include <math.h>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "media/base/video_frame.h"
 #include "media/base/yuv_convert.h"
 #include "third_party/libyuv/include/libyuv/convert.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
-#if defined(OS_POSIX)
-#include <pwd.h>
-#include <sys/types.h>
-#include <unistd.h>
-#endif  // defined(OS_POSIX)
-
 using media::VideoFrame;
 
 namespace remoting {
 
 enum { kBytesPerPixelRGB32 = 4 };
 
 // Do not write LOG messages in this routine since it is called from within
 // our LOG message handler. Bad things will happen.
 std::string GetTimestampString() {
   base::Time t = base::Time::NowFromSystemTime();
@@ skipping 273 matching lines @@
           return false;
       }
 
       ++ptr;
     }
   }
 
   return true;
 }
 
-std::string GetUsername() {
-#if defined(OS_ANDROID)
-  struct passwd* passwd = getpwuid(getuid());
-  return passwd ? passwd->pw_name : std::string();
-#elif defined(OS_POSIX)
-  long buf_size = sysconf(_SC_GETPW_R_SIZE_MAX);
-  if (buf_size <= 0)
-    return std::string();
-
-  scoped_ptr<char[]> buf(new char[buf_size]);
-  struct passwd passwd;
-  struct passwd* passwd_result = NULL;
-  getpwuid_r(getuid(), &passwd, buf.get(), buf_size, &passwd_result);
-  return passwd_result ? passwd_result->pw_name : std::string();
-#else  // !defined(OS_POSIX)
-  return std::string();
-#endif  // defined(OS_POSIX)
-}
-
 bool DoesRectContain(const webrtc::DesktopRect& a,
                      const webrtc::DesktopRect& b) {
   webrtc::DesktopRect intersection(a);
   intersection.IntersectWith(b);
   return intersection.equals(b);
 }
 
 }  // namespace remoting