export IsSwitch for 'chromium-args'

Fix to parse 'key=value' case for nwjs/nw.js#298

expose OS info in the user agent string

Add CommandLine.original_argv, which keeps args' precedence, and don'…

…t include args we added programmely.

Revert the line that was mistakenly rewrote by @e4a158c6.

Fix nwjs/nw.js#214.

[Mac] Don't accidently hide symbols of other components.

Fix nwjs/nw.js#178.

Fix conditions where we use native frames on XP.

Fix nwjs/nw.js#153.

Temporarily disable some win8 specific code to reduce dependency of o…

…ther parts of chrome.

Reduce PageClickTracker's depencencies.

Part of fixes for nwjs/nw.js#63.

Merge branch 'master' of https://git.chromium.org/chromium/src into node

Conflicts:
	.DEPS.git
	content/renderer/render_view_impl.cc