Replace GetHostSize with a cross-platform implementation.

build/android/pylib/android_commands.py

Index: build/android/pylib/android_commands.py
diff --git a/build/android/pylib/android_commands.py b/build/android/pylib/android_commands.py
index 4cf996f134a724e9ad7a17825cf69b57eb6804bd..f81a446867e38bdc5f3ba4bc0c19a47aee82b3a6 100644
--- a/build/android/pylib/android_commands.py
+++ b/build/android/pylib/android_commands.py
@@ -1001,10 +1001,7 @@ class AndroidCommands(object):
         if host_path_mtime == os.stat(host_path).st_mtime:
           return
 
-    def GetHostSize(path):
-      return int(cmd_helper.GetCmdOutput(['du', '-sb', path]).split()[0])
-
-    size = GetHostSize(host_path)
+    size = os.stat(host_path).st_size
     self._pushed_files.append(device_path)
     self._potential_push_size += size
 
@@ -1039,7 +1036,7 @@ class AndroidCommands(object):
 
     diff_size = 0
     if len(changed_files) <= MAX_INDIVIDUAL_PUSHES:
-      diff_size = sum(GetHostSize(f[0]) for f in changed_files)
+      diff_size = sum(os.stat(f[0]).st_size for f in changed_files)

[craigdh, 2014/03/24 19:19:54]

This doesn't work for directories.

 
     # TODO(craigdh): Replace this educated guess with a heuristic that
     # approximates the push time for each method.