Adjust the captured window rect when the window is maximized.
GetWindowRect includes the window frames for maximized window even they are off screen, causing content outside the window being captured falsely. The fix is to remove the left/right/bottom window frame from the captured rect. Mouse capturing is adjusted accordingly as well.

BUG=3076
R=sergeyu@chromium.org

Review URL: https://webrtc-codereview.appspot.com/10149004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5732 4adac7df-926f-26a2-2b94-8c16560cd09d
5 files changed