Perform the window activation code in WM_ACTIVATE instead of WM_NCACTIVATE.

This ensures that we don't inadvarently mark a window as active when the code uses APIs like FlashWindow,
which send periodic WM_NCACTIVATE messages to flash the caption.

BUG=297813
TEST=Covered by ui test WidgetNotActivatedOnFakeActivationMessages
R=sky@chromium.org

Review URL: https://codereview.chromium.org/24856002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225776 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225776
PPAPI: Introduce ability to Map a FileIO (Dev)

BUG=83774
R=bbudge@chromium.org, binji@chromium.org, kmixter@google.com, teravest@chromium.org, yzshen@chromium.org

Review URL: https://codereview.chromium.org/23732002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225777 0039d316-1c4b-4281-b951-d872f2087c98
Added chrome/browser/internal to .gitignore.

BUG=None
NOTRY=True

Review URL: https://codereview.chromium.org/23522039

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225778 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225778