Enable fastbuild=1 on clang/mac

build/common.gypi

 # Copyright (c) 2012 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
@@ skipping 1816 matching lines @@
       ['input_speech==1', {
         'defines': ['ENABLE_INPUT_SPEECH'],
       }],
       ['notifications==1', {
         'defines': ['ENABLE_NOTIFICATIONS'],
       }],
       ['enable_hidpi==1', {
         'defines': ['ENABLE_HIDPI=1'],
       }],
       ['fastbuild!=0', {
+        'xcode_settings': {
+          'GCC_GENERATE_DEBUGGING_SYMBOLS': 'NO',
+        },
         'conditions': [
           ['clang==1', {
             # Clang creates chubby debug information, which makes linking very
             # slow. For now, don't create debug information with clang.  See
             # http://crbug.com/70000
             'conditions': [
               ['OS=="linux"', {
                 'variables': {
                   'debug_extra_cflags': '-g0',
                 },
@@ skipping 25 matching lines @@
                     # This tells the linker to generate .pdbs, so that
                     # we can get meaningful stack traces.
                     'GenerateDebugInformation': 'true',
                   },
                   'VCCLCompilerTool': {
                     # No debug info to be generated by compiler.
                     'DebugInformationFormat': '0',
                   },
                 },
               }],
-              ['OS=="mac"', {
-                'xcode_settings': {
-                  'GCC_GENERATE_DEBUGGING_SYMBOLS': 'NO',
-                },
-              }],
               ['OS=="linux" and fastbuild==2', {
                 'variables': {
                   'debug_extra_cflags': '-g0',
                 },
               }],
               ['OS=="linux" and fastbuild==1', {
                 'variables': {
                   'debug_extra_cflags': '-g1',
                 },
               }],
@@ skipping 2377 matching lines @@
     # settings in target dicts.  SYMROOT is a special case, because many other
     # Xcode variables depend on it, including variables such as
     # PROJECT_DERIVED_FILE_DIR.  When a source group corresponding to something
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }