[Transparency] [OSX] change shader, to ouput the alpha value, set the background color according to opacity
[Transparency] [WIN] update the local window's style variable OnStyleChanging, handle ResetWindowRegion and OnNCCalcSize on transparency (WS_EX_COMPOSITED),
[Transparency] add switch to disable the code
Merge pull request #27 from jtg-gg/transparency-rebase

Transparency rebase
[Linux] Add HandleWMStateUpdate to handle window events
[Transparency][WIN] fix: frameless transparent window cannot be resized
Merge pull request #28 from jtg-gg/transparency-fix

[Transparency][WIN] fix: frameless transparent window cannot be resized
[WIN] free previous icon resource in status icon
[Transparency][OSX] add "force-cpu-draw" command line switch / global variable for transparency click through
[Build] fix compile warning
Merge commit '6798a18d54cb1da12445bb5b25ed1a060ab07770' into development11

Conflicts:
	content/browser/renderer_host/render_widget_host_view_mac.mm
	content/renderer/renderer_webkitplatformsupport_impl.cc