Corrects RWHVCocoa to convert from flipped to unflipped...

Corrects RWHVCocoa to convert from flipped to unflipped
coordinates before whiting out unpainted areas.

BUG=None
TEST=Resize newly-created window, check for black areas.

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=19535

[rohitrao (ping after 24h), 2009-06-29 16:24:35]

There's some extra code in here because gfx::Rect was crashing on negative
widths.  I ended up checking for that case manually, but if anyone sees a
cleaner way to take care of it, let me know.

[pink (ping after 24hrs), 2009-06-29 16:49:09]

LGTM

http://codereview.chromium.org/147232/diff/1/2
File chrome/browser/renderer_host/render_widget_host_view_mac.mm (right):

http://codereview.chromium.org/147232/diff/1/2#newcode455
Line 455: int width = damaged_rect.right() - x;
why not just use std::abs? or am i not following?

http://codereview.chromium.org/147232/diff/1/2#newcode464
Line 464: 
omit blank line

http://codereview.chromium.org/147232/diff/1/2#newcode486
Line 486: 
omit blank line

[Avi (use Gerrit), 2009-06-29 16:53:57]

lg

[rohitrao (ping after 24h), 2009-06-29 21:26:17]

http://codereview.chromium.org/147232/diff/1/2
File chrome/browser/renderer_host/render_widget_host_view_mac.mm (right):

http://codereview.chromium.org/147232/diff/1/2#newcode455
Line 455: int width = damaged_rect.right() - x;
On 2009/06/29 16:49:09, pink wrote:
> why not just use std::abs? or am i not following?

If the width or height are negative, I need to adjust the origin x or y
accordingly.

http://codereview.chromium.org/147232/diff/1/2#newcode464
Line 464: 
On 2009/06/29 16:49:09, pink wrote:
> omit blank line

Done.

http://codereview.chromium.org/147232/diff/1/2#newcode486
Line 486: 
On 2009/06/29 16:49:09, pink wrote:
> omit blank line

Done.