Remove unused files linux.cc/.h and linuxfdwalk.c/.h.

webrtc/base/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 539 matching lines @@
       "testbase64.h",
       "testclient.cc",
       "testclient.h",
       "transformadapter.cc",
       "transformadapter.h",
       "virtualsocketserver.cc",
       "virtualsocketserver.h",
       "window.h",
     ]
 
-    if (is_linux) {
-      sources += [
-        "linuxfdwalk.c",
-        "linuxfdwalk.h",
-      ]
-    }
-
     if (is_posix) {
       sources += [
         "latebindingsymboltable.cc",
         "latebindingsymboltable.h",
       ]
     }
 
     if (is_win) {
       sources += [
         "diskcache_win32.cc",
@@ skipping 113 matching lines @@
       "unixfilesystem.h",
     ]
     if (is_debug) {
       # The Chromium build/common.gypi defines this for all posix
       # _except_ for ios & mac.  We want it there as well, e.g.
       # because ASSERT and friends trigger off of it.
       defines += [ "_DEBUG" ]
     }
   }
 
-  if (is_linux || is_android) {
-    sources += [
-      "linux.cc",
-      "linux.h",
-    ]
-  }
-
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
     defines += [ "timezone=_timezone" ]
     sources -= [ "ifaddrs_converter.cc" ]
   }
   if (is_win && is_clang) {
     # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
     suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
   }
 }
@@ skipping 62 matching lines @@
       "java/src/org/webrtc/Logging.java",
       "java/src/org/webrtc/Size.java",
       "java/src/org/webrtc/ThreadUtils.java",
     ]
 
     deps = [
       "//base:base_java",
     ]
   }
 }