PPC: Move of the type feedback vector to the closure.

Port 91c88644

Original commit message:

    We get less "pollution" of type feedback if we have one vector per native
    context, rather than one for the whole system. This CL moves the vector
    appropriately.

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2017983002
Cr-Commit-Position: refs/heads/master@{#36560}

src/ppc/macro-assembler-ppc.cc

@@ -1047,9 +1047,8 @@ void MacroAssembler::Prologue(bool code_pre_aging, Register base,
 
 void MacroAssembler::EmitLoadTypeFeedbackVector(Register vector) {
   LoadP(vector, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
-  LoadP(vector, FieldMemOperand(vector, JSFunction::kSharedFunctionInfoOffset));
-  LoadP(vector,
-        FieldMemOperand(vector, SharedFunctionInfo::kFeedbackVectorOffset));
+  LoadP(vector, FieldMemOperand(vector, JSFunction::kLiteralsOffset));
+  LoadP(vector, FieldMemOperand(vector, LiteralsArray::kFeedbackVectorOffset));
 }