Fix build with GYP_DEFINES=use_openssl=1.

build/common.gypi

 # Copyright (c) 2011 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 21 matching lines @@
           'use_only_pure_views%': 0,
 
           # Disable touch support by default.
           'touchui%': 0,
 
           # Whether the compositor is enabled on views.
           'views_compositor%': 0,
 
           # Whether or not we are building with the Aura window manager.
           'use_aura%': 0,
+
+          # Use OpenSSL instead of NSS. Under development: see http://crbug.com/62803
+          'use_openssl%': 0,
         },
         # Copy conditionally-set variables out one scope.
         'chromeos%': '<(chromeos)',
         'use_only_pure_views%': '<(use_only_pure_views)',
         'touchui%': '<(touchui)',
         'views_compositor%': '<(views_compositor)',
         'use_aura%': '<(use_aura)',
+        'use_openssl%': '<(use_openssl)',
 
         # Compute the architecture that we're building on.
         'conditions': [
           [ 'OS=="win" or OS=="mac"', {
             'host_arch%': 'ia32',
           }, {
             # This handles the Unix platforms for which there is some support.
             # Anything else gets passed through, which probably won't work very
             # well; such hosts should pass an explicit target_arch to gyp.
             'host_arch%':
@@ skipping 32 matching lines @@
 
       # Copy conditionally-set variables out one scope.
       'chromeos%': '<(chromeos)',
       'touchui%': '<(touchui)',
       'use_virtual_keyboard%': '<(use_virtual_keyboard)',
       'host_arch%': '<(host_arch)',
       'toolkit_views%': '<(toolkit_views)',
       'use_only_pure_views%': '<(use_only_pure_views)',
       'views_compositor%': '<(views_compositor)',
       'use_aura%': '<(use_aura)',
+      'use_openssl%': '<(use_openssl)',
 
       # We used to provide a variable for changing how libraries were built.
       # This variable remains until we can clean up all the users.
       # This needs to be one nested variables dict in so that dependent
       # gyp files can make use of it in their outer variables.  (Yikes!)
       # http://code.google.com/p/chromium/issues/detail?id=83308
       'library%': 'static_library',
 
       # Override branding to select the desired branding flavor.
       'branding%': 'Chromium',
@@ skipping 134 matching lines @@
         }],
 
         # A flag for POSIX platforms
         ['OS=="win"', {
           'os_posix%': 0,
         }, {
           'os_posix%': 1,
         }],
 
         # NSS usage.
-        ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+        ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris") and use_openssl==0', {
           'use_nss%': 1,
         }, {
           'use_nss%': 0,
         }],
-        
+
         # Flags to use X11 on non-Mac POSIX platforms
         ['OS=="win" or OS=="mac" or OS=="android"', {
           'use_glib%': 0,
           'toolkit_uses_gtk%': 0,
           'use_x11%': 0,
         }, {
           # TODO(dnicoara) Wayland build should have these disabled, but
           # currently GTK and X is too spread and it's hard to completely
           # remove every dependency.
           'use_glib%': 1,
@@ skipping 57 matching lines @@
     # Copy conditionally-set variables out one scope.
     'branding%': '<(branding)',
     'buildtype%': '<(buildtype)',
     'target_arch%': '<(target_arch)',
     'host_arch%': '<(host_arch)',
     'library%': 'static_library',
     'toolkit_views%': '<(toolkit_views)',
     'use_only_pure_views%': '<(use_only_pure_views)',
     'views_compositor%': '<(views_compositor)',
     'use_aura%': '<(use_aura)',
+    'use_openssl%': '<(use_openssl)',
     'use_nss%': '<(use_nss)',
     'os_posix%': '<(os_posix)',
     'use_glib%': '<(use_glib)',
     'toolkit_uses_gtk%': '<(toolkit_uses_gtk)',
     'use_skia%': '<(use_skia)',
     'use_x11%': '<(use_x11)',
     'use_gnome_keyring%': '<(use_gnome_keyring)',
     'linux_fpic%': '<(linux_fpic)',
     'enable_flapper_hacks%': '<(enable_flapper_hacks)',
     'chromeos%': '<(chromeos)',
@@ skipping 181 matching lines @@
     # Enable new NPDevice API.
     'enable_new_npdevice_api%': 0,
 
     # Enable EGLImage support in OpenMAX
     'enable_eglimage%': 1,
 
     # Enable a variable used elsewhere throughout the GYP files to determine
     # whether to compile in the sources for the GPU plugin / process.
     'enable_gpu%': 1,
 
-    # Use OpenSSL instead of NSS. Under development: see http://crbug.com/62803
-    'use_openssl%': 0,
-
     # .gyp files or targets should set chromium_code to 1 if they build
     # Chromium-specific code, as opposed to external code.  This variable is
     # used to control such things as the set of warnings to enable, and
     # whether warnings are treated as errors.
     'chromium_code%': 0,
 
     # Set to 1 to compile with the built in pdf viewer.
     'internal_pdf%': 0,
 
     # This allows to use libcros from the current system, ie. /usr/lib/
@@ skipping 1940 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',
   },
 }