Add support initiating navigations/search requests in Chrome metro mode via a registered

Add support initiating navigations/search requests in Chrome metro mode via a registered
window message. This is done by overriding the WindowImpl::OnWndProc virtual function in
the BrowserFrameWin class which subclasses the NativeWidgetWin instance for the browser
frame.

BUG=118641
R=sky,cpu
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=134602

[sky, 2012-04-30 20:45:40]

LGTM

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
File chrome/browser/ui/views/frame/browser_frame_win.cc (right):

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
chrome/browser/ui/views/frame/browser_frame_win.cc:211: if (message ==
metro_navigation_search_message) {
nit: no {}

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
chrome/browser/ui/views/frame/browser_frame_win.cc:322: if (!browser) {
No where else do we do this. If you really feel the need:
DCHECK(broser);

[ananta, 2012-04-30 20:58:41]

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
File chrome/browser/ui/views/frame/browser_frame_win.cc (right):

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
chrome/browser/ui/views/frame/browser_frame_win.cc:211: if (message ==
metro_navigation_search_message) {
On 2012/04/30 20:45:40, sky wrote:
> nit: no {}

Done.

https://chromiumcodereview.appspot.com/10275002/diff/7001/chrome/browser/ui/v...
chrome/browser/ui/views/frame/browser_frame_win.cc:322: if (!browser) {
On 2012/04/30 20:45:40, sky wrote:
> No where else do we do this. If you really feel the need:
> DCHECK(broser);

Done.

[cpu_(ooo_6.6-7.5), 2012-04-30 21:21:30]

lgtm