Revert 231107 "Always aligns text at vertically center (Textfiel..."

> Always aligns text at vertically center (Textfield, Label).
> 
> This CL makes Textfield and Label put their content text at vertically center respecting the cap height.
> 
> Also this CL removes vertical alignment support, which we no longer need.
> 
> I think this CL fixes all issues related to vertical alignment and font height.
> 
> BUG=146236, 264436
> TEST=Test manually + ui_unittests
> 
> Review URL: https://codereview.chromium.org/25039002

Cannot use kInvalidBaseLine in render_text.cc as static initializer.

TBR=yukishiino@chromium.org

Review URL: https://codereview.chromium.org/45173003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231117 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 231117