- Moved the implementation for ShCompile to the compiler class so that internal details about compiler can be encapsulated. Now we do not need to expose built-in symbol table. - Fixed a few const violations. - Added CollectAttribsUniforms class. BUG=26 Review URL: http://codereview.appspot.com/2263041 git-svn-id: https://angleproject.googlecode.com/svn/trunk@437 736b8ea6-26fd-11df-bfd4-992fa37f6226