Remove dead IsEqualString and IsEqualNumber method.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/26833002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17160 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Centralize handler caching and probing in ic.cc.
Also purge invalid POLYMORPHIC stubs. In a next step the compilers should probably be merged and the "Compute*" on the stub-cache removed.

BUG=
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/25548009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17161 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Unify ComputeLoad/StoreHandler and dispatch on compile.

BUG=
R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/26831002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17162 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Minor tweaks to types cctest

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/26223006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17163 ce2b1a6d-e550-0410-aec6-3dcde31c8c00