IDL compiler: rename GetTemplate => domTemplate, rawTemplate => rawDOMTemplate

Capitalization error and style error (we omit 'get').

TBR=haraken

Review URL: https://codereview.chromium.org/101533006

git-svn-id: svn://svn.chromium.org/blink/trunk@163400 bbb929c8-8fbe-4397-9dbb-9b2b20218538
IDL compiler: rename fill{{cpp_class}}Init => initialize{{cpp_class}} in Event Constructor

Rename requested by haraken@ in:
https://codereview.chromium.org/106103005/#msg2

TBR=haraken

Review URL: https://codereview.chromium.org/109953003

git-svn-id: svn://svn.chromium.org/blink/trunk@163401 bbb929c8-8fbe-4397-9dbb-9b2b20218538