Make it possible to disable udev in linux

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index 1fc3c688523d5facc9631a1491f19083326aca08..88d99a687c2f34d0c0054a12ad30c4a9d1a57a16 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -1401,6 +1401,25 @@
         '../sandbox/sandbox.gyp:libc_urandom_override',
       ],
     }],
+    ['use_udev == 1', {
+      'defines': [
+        'USE_UDEV',
+      ],
+    }, {
+      'sources!': [
+        'browser/gamepad/gamepad_platform_data_fetcher_linux.cc',
+        'browser/udev_linux.cc',
+        'browser/udev_linux.h',
+        'browser/device_monitor_linux.cc',

[Lei Zhang, 2013/11/14 00:35:00]

nit: alphabetical order

[Mostyn Bramley-Moore, 2013/11/14 01:15:38]

Done.

+        'browser/device_monitor_linux.h',
+      ],
+      'sources': [
+        'browser/gamepad/gamepad_platform_data_fetcher.cc',
+      ],
+      'dependencies!': [
+        '../build/linux/system.gyp:udev',

[Lei Zhang, 2013/11/14 00:35:00]

Can you remove this, and instead move line 1400 into the use_udev block?

[Mostyn Bramley-Moore, 2013/11/14 01:15:38]

Done.

+      ],
+    }],
     ['OS=="linux" and use_aura==1', {
       'dependencies': [
         '../build/linux/system.gyp:dbus',