In revision 15142, the V8_USE_UNSAFE_HANDLES define is removed.

So in the vtune support code ( in vtune-jit.cc file)v8::Handle<T* value> consturctor cannot be invoked directly.
We use "->ToString()" to create the Handle<String> object  to fix the compilation error.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/17343005

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15299 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Removed some useless/dead code regarding CompileTimeValues.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17580018

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15300 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix ugly typo in HValue::UpdateRepresentation.

R=jkummerow@chromium.org
TEST=mjsunit/math-min-max --extra-flags="--gc-interval=500"

Review URL: https://codereview.chromium.org/17580019

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15301 ce2b1a6d-e550-0410-aec6-3dcde31c8c00