Switch default float-abi for ARM linux from softfp to hard

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 2299 matching lines @@
       }],
       ['arm_version==7', {
         'arm_arch%': 'armv7-a',
         'arm_tune%': 'generic-armv7-a',
         'conditions': [
           ['arm_neon==1', {
             'arm_fpu%': 'neon',
           }, {
             'arm_fpu%': 'vfpv3-d16',
           }],
+          ['OS=="android"', {
+            'arm_float_abi%': 'softfp',
+          }, {
+            'arm_float_abi%': 'hard',
+          }],
         ],
-        # Change the default to hard once the armhf transition is complete.
-        'arm_float_abi%': 'softfp',
         'arm_thumb%': 1,
       }],
 
       # Set default compiler flags for MIPS floating-point support.
       ['target_arch=="mipsel"', {
         'mips_float_abi%': 'hard',
       }],
       ['target_arch=="mipsel" and mips_arch_variant=="r2"', {
         'mips_fpu_mode%': 'fp32',
       }],
@@ skipping 3856 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',
   },
 }