Reland "Handle non-power-of-2 divisors in division-like operations".

src/arm/lithium-codegen-arm.h

Index: src/arm/lithium-codegen-arm.h
diff --git a/src/arm/lithium-codegen-arm.h b/src/arm/lithium-codegen-arm.h
index 1638ee9aef2acb071b90bcdcf46a52d0ff7e65ef..e0f5009a6225f81f2e2838ca5601490be975a74d 100644
--- a/src/arm/lithium-codegen-arm.h
+++ b/src/arm/lithium-codegen-arm.h
@@ -349,17 +349,6 @@ class LCodeGen: public LCodeGenBase {
                     int* offset,
                     AllocationSiteMode mode);
 
-  // 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);
-
   void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE;
   void DoLoadKeyedExternalArray(LLoadKeyed* instr);
   void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr);