V8: switch more linux bots to mb

scripts/slave/recipe_modules/v8/api.py

Index: scripts/slave/recipe_modules/v8/api.py
diff --git a/scripts/slave/recipe_modules/v8/api.py b/scripts/slave/recipe_modules/v8/api.py
index fe63252eb1085025d7fba34ef9f4ca34afe7857f..074ccce82a5df859311f6a4e921953c919a80421 100644
--- a/scripts/slave/recipe_modules/v8/api.py
+++ b/scripts/slave/recipe_modules/v8/api.py
@@ -416,7 +416,14 @@ class V8Api(recipe_api.RecipeApi):
     """
 
     def gyp_defines_to_dict(gyp_defines):

[tandrii(chromium), 2016/06/21 08:16:56]

example string as comment for understanding code below.

-      return dict(tuple(x.split('=', 1)) for x in gyp_defines.split())
+      result = []
+      for x in gyp_defines.split():
+        kv = x.split('=', 1)
+        if len(kv) == 1:

[tandrii(chromium), 2016/06/21 08:16:56]

maybe add   # '=' not in kv

+          result[-1][1] += (' ' + kv[0])
+        else:
+          result.append(kv)
+      return dict(tuple(kv) for kv in result)
 
     infra_flags = gyp_defines_to_dict(
         self.m.chromium.c.gyp_env.as_jsonish()['GYP_DEFINES'])