[Chromecast] Disable libpci on Chromecast builds by default.

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 92 matching lines @@
           # Override branding to select the desired branding flavor.
           'branding%': 'Chromium',
 
           'conditions': [
             # Windows and Linux (including Chrome OS) use Aura and Ash.
             ['OS=="win" or OS=="linux"', {
               'use_ash%': 1,
               'use_aura%': 1,
             }],
 
-            ['chromecast==1 and OS!="android"', {
-              'embedded%': 1,
-              'use_ozone%': 1,
+            ['chromecast==1', {
+              'use_libpci': 0,
+              'conditions': [
+                ['OS!="android"', {
+                  'embedded%': 1,
+                  'use_ozone%': 1,
+                }],
+              ],
             }],
 
             # Ozone uses Aura.
             ['use_ozone==1', {
               'use_aura%': 1,
             }],
 
             # Whether we're a traditional desktop unix.
             ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris") and chromeos==0', {
               'desktop_linux%': 1,
@@ skipping 6159 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',
   },
 }