Eliminate extended mode, and other modes clean-up

src/compilation-cache.cc

Index: src/compilation-cache.cc
diff --git a/src/compilation-cache.cc b/src/compilation-cache.cc
index a69ef4c7659320ac1db3a4239f92bd91275ea63b..54d4565e2dcd884bc1446ace8173a7225d153823 100644
--- a/src/compilation-cache.cc
+++ b/src/compilation-cache.cc
@@ -269,7 +269,7 @@ void CompilationCacheScript::Put(Handle<String> source,
 Handle<SharedFunctionInfo> CompilationCacheEval::Lookup(
     Handle<String> source,
     Handle<Context> context,
-    LanguageMode language_mode,
+    StrictMode strict_mode,
     int scope_position) {
   // Make sure not to leak the table into the surrounding handle
   // scope. Otherwise, we risk keeping old tables around even after
@@ -280,7 +280,7 @@ Handle<SharedFunctionInfo> CompilationCacheEval::Lookup(
     for (generation = 0; generation < generations(); generation++) {
       Handle<CompilationCacheTable> table = GetTable(generation);
       result = table->LookupEval(
-          *source, *context, language_mode, scope_position);
+          *source, *context, strict_mode, scope_position);
       if (result->IsSharedFunctionInfo()) {
         break;
       }
@@ -421,7 +421,7 @@ Handle<SharedFunctionInfo> CompilationCache::LookupScript(
 Handle<SharedFunctionInfo> CompilationCache::LookupEval(
     Handle<String> source,
     Handle<Context> context,
-    LanguageMode language_mode,
+    StrictMode strict_mode,
     int scope_position) {
   if (!IsEnabled()) {
     return Handle<SharedFunctionInfo>::null();
@@ -430,11 +430,11 @@ Handle<SharedFunctionInfo> CompilationCache::LookupEval(
   Handle<SharedFunctionInfo> result;
   if (context->IsNativeContext()) {
     result = eval_global_.Lookup(
-        source, context, language_mode, scope_position);
+        source, context, strict_mode, scope_position);
   } else {
     ASSERT(scope_position != RelocInfo::kNoPosition);
     result = eval_contextual_.Lookup(
-        source, context, language_mode, scope_position);
+        source, context, strict_mode, scope_position);
   }
   return result;
 }