Add use-content-size switch.
mac: Respect use-content-size when creating window.
Use content size in default_app.
Get BrowserWindow::getContentSize API.
gtk: Respect use-content-size when creating window.
Add BrowserWindow::setContentSize.
gtk: Fix setting content size.
Add spec on content size.
:lipstick: Fix cpplint warning.
win: Convert content size to window size.
win: Setting menu shouldn't change client area size.
win: Implement setContentSize API.
:memo: Document content size related APIs.
Merge pull request #327 from atom/content-size

Provide ways to control window content's size