Move WEBCORE_NAVIGATOR macros defaults from the build system into a cpp file.

Move WEBCORE_NAVIGATOR macros defaults from the build system into a cpp file to reduce their's scope.

Use the uname() call on all unix-like systems to determine the OS name not just on Linux to make the code more portable.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=157805

[lgombos, 2013-09-14 06:18:47]

base/sys_info_posix.cc is already using uname() for all Unix-like systems
(except Android, but that case was already handled in NavigatorID.cpp):

https://code.google.com/p/chromium/codesearch#chromium/src/base/sys_info_posi...

[abarth-chromium, 2013-09-14 06:44:03]

lgtm

[commit-bot: I haz the power, 2013-09-14 06:44:15]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/l.gombos@samsung.com/23889035/1

[commit-bot: I haz the power, 2013-09-14 06:58:32]

Sorry for I got bad news for ya.
Compile failed with a clobber build on linux_blink_rel.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_blin...
Your code is likely broken or HEAD is junk. Please ensure your
code is not broken then alert the build sheriffs.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2013-09-14 14:18:31]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/l.gombos@samsung.com/23889035/11001

[commit-bot: I haz the power, 2013-09-15 01:08:20]

Change committed as 157805