Add PNaCl PPAPI browser tests via pre-translation.

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 966 matching lines @@
 
     # Disable Dart by default.
     'enable_dart%': 0,
 
     # The desired version of Windows SDK can be set in ~/.gyp/include.gypi.
     'msbuild_toolset%': '',
 
     # Native Client is enabled by default.
     'disable_nacl%': 0,
 
+    # Portable Native Client is enabled by default.
+    'disable_pnacl%': 0,
+
     # Whether to build full debug version for Debug configuration on Android.
     # Compared to full debug version, the default Debug configuration on Android
     # has no full v8 debug, has size optimization and linker gc section, so that
     # we can build a debug version with acceptable size and performance.
     'android_full_debug%': 0,
 
     # Sets the default version name and code for Android app, by default we
     # do a developer build.
     'android_app_version_name%': 'Developer Build',
     'android_app_version_code%': 0,
@@ skipping 3112 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',
   },
 }