[build] Remove gyp usage from landmines script

References from client projects to removed methods have been removed in
previous CLs.

Bug: 756691
Change-Id: I405ec09301455884f00348aadf82e865e85df721
Reviewed-on: https://chromium-review.googlesource.com/925683Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#537929}

build/landmine_utils.py

@@ -3,73 +3,21 @@
 # found in the LICENSE file.
 
 
-import functools
-import logging
-import os
-import shlex
 import sys
 
 
-def memoize(default=None):
-  """This decorator caches the return value of a parameterless pure function"""
-  def memoizer(func):
-    val = []
-    @functools.wraps(func)
-    def inner():
-      if not val:
-        ret = func()
-        val.append(ret if ret is not None else default)
-        if logging.getLogger().isEnabledFor(logging.INFO):
-          print '%s -> %r' % (func.__name__, val[0])
-      return val[0]
-    return inner
-  return memoizer
-
-
-@memoize()
 def IsWindows():
   return sys.platform in ['win32', 'cygwin']
 
 
-@memoize()
 def IsLinux():
   return sys.platform.startswith(('linux', 'freebsd', 'netbsd', 'openbsd'))
 
 
-@memoize()
 def IsMac():
   return sys.platform == 'darwin'
 
 
-@memoize()
-def gyp_defines():
-  """Parses and returns GYP_DEFINES env var as a dictionary."""
-  return dict(arg.split('=', 1)
-      for arg in shlex.split(os.environ.get('GYP_DEFINES', '')))
-
-
-@memoize()
-def gyp_generator_flags():
-  """Parses and returns GYP_GENERATOR_FLAGS env var as a dictionary."""
-  return dict(arg.split('=', 1)
-      for arg in shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', '')))
-
-
-@memoize()
-def gyp_msvs_version():
-  return os.environ.get('GYP_MSVS_VERSION', '')
-
-
-@memoize()
-def distributor():
-  """
-  Returns a string which is the distributed build engine in use (if any).
-  Possible values: 'goma', None
-  """
-  if 'goma' in gyp_defines():
-    return 'goma'
-
-
 def host_os():
   """
   Returns a string representing the host_os of the current system.
@@ -83,23 +31,3 @@ def host_os():
     return 'mac'
   else:
     return 'unknown'
-
-
-# TODO(machenbach): Deprecate this method as it depends on env variables.
-@memoize()
-def platform():
-  """
-  Returns a string representing the platform this build is targeted for.
-  Possible values: 'win', 'mac', 'linux', 'ios', 'android'
-  """
-  if 'OS' in gyp_defines():
-    if 'android' in gyp_defines()['OS']:
-      return 'android'
-    else:
-      return gyp_defines()['OS']
-  elif IsWindows():
-    return 'win'
-  elif IsLinux():
-    return 'linux'
-  else:
-    return 'mac'

build/landmines.py

@@ -25,7 +25,6 @@ troublesome alternatives.
 
 import difflib
 import errno
-import gyp_environment
 import logging
 import optparse
 import os
@@ -52,7 +51,7 @@ def get_build_dir(src_dir):
     if not output_dir:
       raise Error('CHROMIUM_OUT_DIR environment variable is set but blank!')
   else:
-    output_dir = landmine_utils.gyp_generator_flags().get('output_dir', 'out')
+    output_dir = 'out'
   return os.path.abspath(os.path.join(src_dir, output_dir))
 
 
@@ -132,8 +131,6 @@ def process_options():
 def main():
   options = process_options()
 
-  gyp_environment.SetEnvironment()
-
   landmines = []
   for s in options.landmine_scripts:
     proc = subprocess.Popen([sys.executable, s], stdout=subprocess.PIPE)