Introduce collective --harmony flag.

src/arm/full-codegen-arm.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2121 matching lines @@
     __ LoadRoot(r1, Heap::kUndefinedValueRootIndex);
   }
   __ push(r1);
 
   // Push the receiver of the enclosing function and do runtime call.
   int receiver_offset = 2 + info_->scope()->num_parameters();
   __ ldr(r1, MemOperand(fp, receiver_offset * kPointerSize));
   __ push(r1);
   // Push the strict mode flag. In harmony mode every eval call
   // is a strict mode eval call.
-  StrictModeFlag strict_mode = strict_mode_flag();
-  if (FLAG_harmony_block_scoping) {
-    strict_mode = kStrictMode;
-  }
+  StrictModeFlag strict_mode =
+      FLAG_harmony_scoping ? kStrictMode : strict_mode_flag();
   __ mov(r1, Operand(Smi::FromInt(strict_mode)));
   __ push(r1);
 
   __ CallRuntime(flag == SKIP_CONTEXT_LOOKUP
                  ? Runtime::kResolvePossiblyDirectEvalNoLookup
                  : Runtime::kResolvePossiblyDirectEval, 4);
 }
 
 
 void FullCodeGenerator::VisitCall(Call* expr) {
@@ skipping 2114 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM