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..dc1ef151c1bac6aa33fc9dafc5dea222bb167251 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -1397,10 +1397,28 @@
     }],
     ['OS=="linux"', {
       'dependencies': [
-        '../build/linux/system.gyp:udev',
         '../sandbox/sandbox.gyp:libc_urandom_override',
       ],
     }],
+    ['use_udev == 1', {
+      'dependencies': [
+        '../build/linux/system.gyp:udev',
+      ],
+      'defines': [
+        'USE_UDEV',

[jam, 2013/11/14 17:37:29]

nit: the convention is that this is done in build\common.gypi, see the big
section there starting at line 2000

[Mostyn Bramley-Moore, 2013/11/14 19:58:22]

Done.

(Though this has the small downside of invalidating lots of ccache on the next
build.)

+      ],
+    }, {
+      'sources!': [
+        'browser/device_monitor_linux.cc',
+        'browser/device_monitor_linux.h',
+        'browser/gamepad/gamepad_platform_data_fetcher_linux.cc',
+        'browser/udev_linux.cc',
+        'browser/udev_linux.h',
+      ],
+      'sources': [
+        'browser/gamepad/gamepad_platform_data_fetcher.cc',

[jam, 2013/11/14 17:37:29]

can you just update the condition on line 1245 to be
(OS!="linux" || use_udev==0)

[Mostyn Bramley-Moore, 2013/11/14 19:58:22]

Done.

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