Introduce LanguageMode, drop StrictMode.

src/ic/arm/ic-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 704 matching lines @@
                                          receiver_map, r4, slow);
   mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS);
   ElementsTransitionGenerator::GenerateDoubleToObject(
       masm, receiver, key, value, receiver_map, mode, slow);
   __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset));
   __ jmp(&finish_object_store);
 }
 
 
 void KeyedStoreIC::GenerateMegamorphic(MacroAssembler* masm,
-                                       StrictMode strict_mode) {
+                                       LanguageMode language_mode) {
   // ---------- S t a t e --------------
   //  -- r0     : value
   //  -- r1     : key
   //  -- r2     : receiver
   //  -- lr     : return address
   // -----------------------------------
   Label slow, fast_object, fast_object_grow;
   Label fast_double, fast_double_grow;
   Label array, extra, check_if_double_array, maybe_name_key, miss;
 
@@ skipping 34 matching lines @@
   __ ldr(ip, FieldMemOperand(elements, FixedArray::kLengthOffset));
   __ cmp(key, Operand(ip));
   __ b(lo, &fast_object);
 
   // Slow case, handle jump to runtime.
   __ bind(&slow);
   // Entry registers are intact.
   // r0: value.
   // r1: key.
   // r2: receiver.
-  PropertyICCompiler::GenerateRuntimeSetProperty(masm, strict_mode);
+  PropertyICCompiler::GenerateRuntimeSetProperty(masm, language_mode);
   // Never returns to here.
 
   __ bind(&maybe_name_key);
   __ ldr(r4, FieldMemOperand(key, HeapObject::kMapOffset));
   __ ldrb(r4, FieldMemOperand(r4, Map::kInstanceTypeOffset));
   __ JumpIfNotUniqueNameInstanceType(r4, &slow);
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::STORE_IC));
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, Code::STORE_IC, flags, false, receiver, key, r3, r4, r5, r6);
@@ skipping 190 matching lines @@
     patcher.EmitCondition(ne);
   } else {
     DCHECK(Assembler::GetCondition(branch_instr) == ne);
     patcher.EmitCondition(eq);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM