Revert of V8: Remove obsolete environment variables

scripts/slave/recipe_modules/v8/config.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from recipe_engine.config import config_item_context, ConfigGroup
 from recipe_engine.config import List, Single, Static
 
 
 def BaseConfig(**_kwargs):
   shard_count = _kwargs.get('SHARD_COUNT', 1)
@@ skipping 26 matching lines @@
 
 config_ctx = config_item_context(BaseConfig)
 
 
 @config_ctx()
 def v8(c):
   pass
 
 
 @config_ctx()
+def arm_hard_float(c):
+  c.gyp_env.CXX = '/usr/bin/arm-linux-gnueabihf-g++'
+  c.gyp_env.LINK = '/usr/bin/arm-linux-gnueabihf-g++'
+
+
+@config_ctx()
 def deopt_fuzz_normal(c):
   c.testing.test_args.append('--coverage=0.4')
   c.testing.test_args.append('--distribution-mode=smooth')
 
 
 @config_ctx()
 def deopt_fuzz_random(c):
   c.testing.test_args.append('--coverage=0.4')
   c.testing.test_args.append('--coverage-lift=50')
   c.testing.test_args.append('--distribution-mode=random')
@@ skipping 30 matching lines @@
 
 
 @config_ctx()
 def no_harness(c):
   c.testing.test_args.append('--no-harness')
 
 
 @config_ctx()
 def predictable(c):
   c.testing.test_args.append('--predictable')