Sidebar view, Mac implementation (common sidebar code and Windows version is already submitted).
TabContents.xib changes: it was converted to the latest IB version and vertical NSSplitView was added to it
as a child for existing horizontal NSSplitView hosting devTools; new one hosts page content and sidebar content.
BrowserWindowCocoa instance listen to SIDEBAR_CHANGED notification and updates sidebar content view according
to the sidebar state linked to the current tab (adds or removes the corresponding view).
Sidebar API design doc: http://www.chromium.org/developers/design-documents/extensions/sidebar-extension-api.
BUG=51084
TEST=Run browser_tests and interactive_ui_tests.
Review URL: http://codereview.chromium.org/3228003
Patch from Aleksey Shlyapnikov <alekseys@chromium.org>.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57898 0039d316-1c4b-4281-b951-d872f2087c98
10 files changed
