Upload/Download dart_snapshotter

mojo/tools/mopy/paths.py

Index: mojo/tools/mopy/paths.py
diff --git a/mojo/tools/mopy/paths.py b/mojo/tools/mopy/paths.py
index 2ba8ec831e6d99d6d80931789cd40ce2eac1e1de..deb30f4cf556c16ad5ca4abd3ade062dbfd87873 100644
--- a/mojo/tools/mopy/paths.py
+++ b/mojo/tools/mopy/paths.py
@@ -28,6 +28,8 @@ class Paths(object):
 
     if self.build_dir is not None:
       self.mojo_shell_path = os.path.join(self.build_dir, "mojo_shell")
+      self.dart_snapshotter_path = os.path.join(
+          self.build_dir, "dart_snapshotter")
       self.sky_shell_path = os.path.join(self.build_dir, "sky_shell")
       # TODO(vtl): Use the host OS here, since |config| may not be available.
       # In any case, if the target is Windows, but the host isn't, using
@@ -35,20 +37,27 @@ class Paths(object):
       if Config.GetHostOS() == Config.OS_WINDOWS:
         self.mojo_shell_path += ".exe"
         self.sky_shell_path += ".exe"
+        self.dart_snapshotter_path += ".exe"
       if config and config.target_os == Config.OS_ANDROID:
         self.target_mojo_shell_path = os.path.join(self.build_dir,
                                                    "apks",
                                                    "MojoShell.apk")
+        # dart_snapshotter only runs on the host platform. There is no build to
+        # run on Android.
+        self.target_dart_snapshotter_path = None
         self.target_sky_shell_path = os.path.join(self.build_dir,
                                                   "apks",
                                                   "SkyDemo.apk")
       else:
         self.target_mojo_shell_path = self.mojo_shell_path
+        self.target_dart_snapshotter_path = self.dart_snapshotter_path
         self.target_sky_shell_path = self.sky_shell_path
     else:
       self.mojo_shell_path = None
+      self.dart_snapshotter_path = None
       self.sky_shell_path = None
       self.target_mojo_shell_path = None
+      self.target_dart_snapshotter_path = None
       self.target_sky_shell_path = None
 
   def RelPath(self, path):