Revert r11420 because Win32 compilation was broken.

src/arm/lithium-codegen-arm.h

Index: src/arm/lithium-codegen-arm.h
===================================================================
--- src/arm/lithium-codegen-arm.h	(revision 11420)
+++ src/arm/lithium-codegen-arm.h	(working copy)
@@ -323,17 +323,6 @@
                     Register source,
                     int* offset);
 
-  // Emit optimized code for integer division.
-  // Inputs are signed.
-  // All registers are clobbered.
-  // If 'remainder' is no_reg, it is not computed.
-  void EmitSignedIntegerDivisionByConstant(Register result,
-                                           Register dividend,
-                                           int32_t divisor,
-                                           Register remainder,
-                                           Register scratch,
-                                           LEnvironment* environment);
-
   struct JumpTableEntry {
     explicit inline JumpTableEntry(Address entry)
         : label(),