Add gclient hook to download prebuilt mojo_shell

tools/find_depot_tools.py

Index: tools/find_depot_tools.py
diff --git a/tools/find_depot_tools.py b/tools/find_depot_tools.py
index 469a283fc4ed43bab0c93c10af25013529b1a44c..9e273a749ba1cee16ee1c2ea19f5a36030548385 100644
--- a/tools/find_depot_tools.py
+++ b/tools/find_depot_tools.py
@@ -12,15 +12,16 @@ import sys
 
 
 def IsRealDepotTools(path):
-  return os.path.isfile(os.path.join(path, 'gclient'))
+  return os.path.isfile(os.path.join(path, 'gclient.py'))
 
 
 def add_depot_tools_to_path():
   """Search for depot_tools and add it to sys.path."""
   # First look if depot_tools is already in PYTHONPATH.
   for i in sys.path:
-    if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i):
-      return i
+    if i.rstrip(os.sep).endswith('depot_tools'):
+      if IsRealDepotTools(i):
+        return i

[abarth-chromium, 2014/10/21 21:24:29]

Why this change?

[jamesr, 2014/10/21 22:10:15]

Lingering effects of diagnostic changes - will revert

   # Then look if depot_tools is in PATH, common case.
   for i in os.environ['PATH'].split(os.pathsep):
     if IsRealDepotTools(i):