Refactor and improve inlined double-aligned allocations

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 3dedd29dc26c94d743e4f376e8eea7d1aded709a..27f6d6d84e26b982b70e5f402cf699e3127c41b8 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -54,20 +54,6 @@ inline Operand SmiUntagOperand(Register object) {
 const Register cp = { 8 };  // JavaScript context pointer
 const Register kRootRegister = { 10 };  // Roots array pointer.
 
-// Flags used for the AllocateInNewSpace functions.
-enum AllocationFlags {
-  // No special flags.
-  NO_ALLOCATION_FLAGS = 0,
-  // Return the pointer to the allocated already tagged as a heap object.
-  TAG_OBJECT = 1 << 0,
-  // The content of the result register already contains the allocation top in
-  // new space.
-  RESULT_CONTAINS_TOP = 1 << 1,
-  // Specify that the requested size of the space to allocate is specified in
-  // words instead of bytes.
-  SIZE_IN_WORDS = 1 << 2
-};
-
 // Flags used for AllocateHeapNumber
 enum TaggingMode {
   // Tag the result.