RegExp: Remove unnecessary function from ARM specific code and convert condition to assertion.

src/arm/regexp-macro-assembler-arm.cc

 // Copyright 2009 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 114 matching lines @@
   check_preempt_label_.Unuse();
   stack_overflow_label_.Unuse();
 }
 
 
 int RegExpMacroAssemblerARM::stack_limit_slack()  {
   return RegExpStack::kStackLimitSlack;
 }
 
 
-bool RegExpMacroAssemblerARM::CanReadUnaligned() {
-#if V8_TARGET_CAN_READ_UNALIGNED
-  return true;
-#else
-  return false;
-#endif
-}
-
-
 void RegExpMacroAssemblerARM::AdvanceCurrentPosition(int by) {
   if (by != 0) {
     Label inside_string;
     __ add(current_input_offset(),
            current_input_offset(), Operand(by * char_size()));
   }
 }
 
 
 void RegExpMacroAssemblerARM::AdvanceRegister(int reg, int by) {
@@ skipping 1072 matching lines @@
   __ mov(r0, sp);
   __ Call(r5);
   __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex));
 }
 
 #undef __
 
 #endif  // V8_NATIVE_REGEXP
 
 }}  // namespace v8::internal