MIPS: Refactor and improve inlined double-aligned allocations

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index ac37db2aaa1beaafe24e58cbe76611c46ae784fa..61a0c3a228fdc1d57c6c8e356942ce4800cefdba 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -51,20 +51,6 @@ class JumpTarget;
 // MIPS generated code calls C code, it must be via t9 register.
 
 
-// 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.