Rename/modify test case for explicitly set caret type

This test has nothing to do with user-select: none. Hence renaming
the test case.
This test was created as part of https://codereview.chromium.org/23461040/

Review URL: https://chromiumcodereview.appspot.com/23464103

git-svn-id: svn://svn.chromium.org/blink/trunk@158085 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Clear the usage of useBrowserOverlays from WebFrame/Impl and ChromePrintContext

As per https://codereview.chromium.org/11953010/, chromium is no longer using the useBrowserOverlays.
Also the bug https://bugs.webkit.org/show_bug.cgi?id=107718 marks the removal of the same.

Review URL: https://chromiumcodereview.appspot.com/24304003

git-svn-id: svn://svn.chromium.org/blink/trunk@158087 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Make MediaQueryMatcher::styleResolverChanged() not to call mainWorldScriptState() with null Frame

This patch changes MediaQueryMatcher::styleResolverChanged() not to call mainWorldScriptState() with null Frame. From beginning MediaQueryMatcher::styleResolverChanged() doesn't check whether Document::frame() is null or not even if Document::frame() can return null.

BUG=294829
TEST=n/a; hard to reproduce
R=haraken@chromium.org

Review URL: https://codereview.chromium.org/23902049

git-svn-id: svn://svn.chromium.org/blink/trunk@158088 bbb929c8-8fbe-4397-9dbb-9b2b20218538