Switch Linux and CrOS to BoringSSL.

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 50 matching lines @@
           # Whether we are using Views Toolkit
           'toolkit_views%': 0,
 
           # Use the PCI lib to collect GPU information.
           'use_libpci%': 1,
 
           # Use OpenSSL instead of NSS as the underlying SSL and crypto
           # implementation. Certificate verification will in most cases be
           # handled by the OS. If OpenSSL's struct X509 is used to represent
           # certificates, use_openssl_certs must be set.
-          'use_openssl%': 0,
+          'use_openssl%': 1,
 
           # Use OpenSSL for representing certificates. When targeting Android,
           # the platform certificate library is used for certificate
           # verification. On other targets, this flag also enables OpenSSL for
           # certificate verification, but this configuration is unsupported.
           'use_openssl_certs%': 0,
 
           # Disable viewport meta tag by default.
           'enable_viewport%': 0,
 
@@ skipping 146 matching lines @@
           # Enable HiDPI on Mac OS, Chrome OS, Windows and Linux.
           ['OS=="mac" or chromeos==1 or OS=="win" or OS=="linux"', {
             'enable_hidpi%': 1,
           }],
 
           # Enable Top Chrome Material Design on Chrome OS, Windows, and Linux.
           ['chromeos==1 or OS=="win" or OS=="linux"', {
             'enable_topchrome_md%': 1,
           }],
 
-          # Enable the OpenSSL backend on Mac OS and Windows.
-          ['OS=="mac" or OS=="win"', {
-            'use_openssl%': 1,
+          # On iOS, use NSS rather than OpenSSL. See http://crbug.com/338886.
+          ['OS=="ios"', {
+            'use_openssl%': 0,
           }],
 
           # Enable App Launcher everywhere but mobile.
           ['OS!="ios" and OS!="android"', {
             'enable_app_list%': 1,
           }, {
             'enable_app_list%': 0,
           }],
 
           ['use_aura==1 and OS!="android"', {
@@ skipping 1547 matching lines @@
 
         # Location of the "readelf" binary.
         'android_readelf%' : '<!(/bin/echo -n <(android_toolchain)/*-readelf)',
 
         # Determines whether we should optimize JNI generation at the cost of
         # breaking assumptions in the build system that when inputs have changed
         # the outputs should always change as well.  This is meant purely for
         # developer builds, to avoid spurious re-linking of native files.
         'optimize_jni_generation%': '<(optimize_jni_generation)',
 
-        # Always uses openssl.
-        'use_openssl%': 1,
+        # Use OpenSSL's struct X509 to represent certificates.
         'use_openssl_certs%': 1,
 
         'proprietary_codecs%': '<(proprietary_codecs)',
         'safe_browsing%': 2,
         'enable_web_speech%': 0,
         'java_bridge%': 1,
         'build_ffmpegsumo%': 0,
         'use_allocator%': 'none',
 
         # Disable Native Client.
@@ skipping 4395 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',
   },
 }