Stop saying "typedef struct" and "typedef enum".

Seeing new instances of this C-ism go in makes me a sad panda.

Change-Id: Ie3dd414b8b5e57a4164e88eb2d8559545569628d
diff --git a/src/compiler/codegen/Ralloc.h b/src/compiler/codegen/Ralloc.h
index c9e5308..8c8c693 100644
--- a/src/compiler/codegen/Ralloc.h
+++ b/src/compiler/codegen/Ralloc.h
@@ -28,11 +28,11 @@
 namespace art {
 
 /* Static register use counts */
-typedef struct RefCounts {
+struct RefCounts {
     int count;
     int sReg;
     bool doubleStart;   // Starting vReg for a double
-} RefCounts;
+};
 
 
 inline int oatS2VReg(CompilationUnit* cUnit, int sReg)
diff --git a/src/compiler/codegen/arm/ArmLIR.h b/src/compiler/codegen/arm/ArmLIR.h
index bc85dd8..2f332f5 100644
--- a/src/compiler/codegen/arm/ArmLIR.h
+++ b/src/compiler/codegen/arm/ArmLIR.h
@@ -129,7 +129,7 @@
                       INVALID_SREG}
 #define LOC_C_RETURN_WIDE {kLocPhysReg, 1, 0, 0, 0, 0, 1, r0, r1, INVALID_SREG}
 
-typedef enum ResourceEncodingPos {
+enum ResourceEncodingPos {
     kGPReg0     = 0,
     kRegSP      = 13,
     kRegLR      = 14,
@@ -144,7 +144,7 @@
     kLiteral,           // 2 Literal pool (can be fully disambiguated)
     kHeapRef,           // 3 Somewhere on the heap (alias with any other heap)
     kMustNotAlias,      // 4 Guaranteed to be non-alias (eg *(r6+x))
-} ResourceEncodingPos;
+};
 
 #define ENCODE_REG_LIST(N)      ((u8) N)
 #define ENCODE_REG_SP           (1ULL << kRegSP)
@@ -174,7 +174,7 @@
  *
  * rPC, rFP, and rSELF are for architecture-independent code to use.
  */
-typedef enum NativeRegisterPool {
+enum NativeRegisterPool {
     r0     = 0,
     r1     = 1,
     r2     = 2,
@@ -242,7 +242,7 @@
     dr13 = fr26 + FP_DOUBLE,
     dr14 = fr28 + FP_DOUBLE,
     dr15 = fr30 + FP_DOUBLE,
-} NativeRegisterPool;
+};
 
 /* Target-independent aliases */
 #define rARG0 r0
@@ -254,15 +254,15 @@
 #define rINVOKE_TGT rLR
 
 /* Shift encodings */
-typedef enum ArmShiftEncodings {
+enum ArmShiftEncodings {
     kArmLsl = 0x0,
     kArmLsr = 0x1,
     kArmAsr = 0x2,
     kArmRor = 0x3
-} ArmShiftEncodings;
+};
 
 /* Thumb condition encodings */
-typedef enum ArmConditionCode {
+enum ArmConditionCode {
     kArmCondEq = 0x0,    /* 0000 */
     kArmCondNe = 0x1,    /* 0001 */
     kArmCondCs = 0x2,    /* 0010 */
@@ -279,7 +279,7 @@
     kArmCondLe = 0xd,    /* 1101 */
     kArmCondAl = 0xe,    /* 1110 */
     kArmCondNv = 0xf,    /* 1111 */
-} ArmConditionCode;
+};
 
 #define isPseudoOpcode(opcode) ((int)(opcode) < 0)
 
@@ -288,7 +288,7 @@
  * assembler. Their corresponding EncodingMap positions will be defined in
  * Assemble.cc.
  */
-typedef enum ArmOpcode {
+enum ArmOpcode {
     kPseudoSuspendTarget = -15,
     kPseudoThrowTarget = -14,
     kPseudoCaseLabel = -13,
@@ -616,20 +616,20 @@
     kThumb2Push1,        /* t3 encoding of push */
     kThumb2Pop1,         /* t3 encoding of pop */
     kArmLast,
-} ArmOpcode;
+};
 
 /* DMB option encodings */
-typedef enum ArmOpDmbOptions {
+enum ArmOpDmbOptions {
     kSY = 0xf,
     kST = 0xe,
     kISH = 0xb,
     kISHST = 0xa,
     kNSH = 0x7,
     kNSHST = 0x6
-} ArmOpDmbOptions;
+};
 
 /* Bit flags describing the behavior of each native opcode */
-typedef enum ArmOpFeatureFlags {
+enum ArmOpFeatureFlags {
     kIsBranch = 0,
     kRegDef0,
     kRegDef1,
@@ -661,7 +661,7 @@
     kMemLoad,
     kMemStore,
     kPCRelFixup,
-} ArmOpFeatureFlags;
+};
 
 #define IS_LOAD         (1 << kMemLoad)
 #define IS_STORE        (1 << kMemStore)
@@ -705,7 +705,7 @@
 #define REG_DEF01_USE2  (REG_DEF0 | REG_DEF1 | REG_USE2)
 
 /* Instruction assembly fieldLoc kind */
-typedef enum ArmEncodingKind {
+enum ArmEncodingKind {
     kFmtUnused,
     kFmtBitBlt,        /* Bit string using end/start */
     kFmtDfp,           /* Double FP reg */
@@ -721,10 +721,10 @@
     kFmtBrOffset,      /* Signed extended [26,11,13,21-16,10-0]:0 */
     kFmtFPImm,         /* Encoded floating point immediate */
     kFmtOff24,         /* 24-bit Thumb2 unconditional branch encoding */
-} ArmEncodingKind;
+};
 
 /* Struct used to define the snippet positions for each Thumb opcode */
-typedef struct ArmEncodingMap {
+struct ArmEncodingMap {
     u4 skeleton;
     struct {
         ArmEncodingKind kind;
@@ -736,12 +736,12 @@
     const char* name;
     const char* fmt;
     int size;     /* Size in bytes */
-} ArmEncodingMap;
+};
 
 /* Keys for target-specific scheduling and other optimization hints */
-typedef enum ArmTargetOptHints {
+enum ArmTargetOptHints {
     kMaxHoistDistance,
-} ArmTargetOptHints;
+};
 
 extern const ArmEncodingMap EncodingMap[kArmLast];
 
diff --git a/src/compiler/codegen/mips/MipsLIR.h b/src/compiler/codegen/mips/MipsLIR.h
index 341e56b..1e7a803 100644
--- a/src/compiler/codegen/mips/MipsLIR.h
+++ b/src/compiler/codegen/mips/MipsLIR.h
@@ -154,7 +154,7 @@
 #define LOC_C_RETURN_WIDE_ALT {kLocPhysReg, 1, 0, 0, 0, 0, 1, r_FRESULT0,\
                                r_FRESULT1, INVALID_SREG}
 
-typedef enum ResourceEncodingPos {
+enum ResourceEncodingPos {
     kGPReg0     = 0,
     kRegSP      = 29,
     kRegLR      = 31,
@@ -171,7 +171,7 @@
     kLiteral,           // 2 Literal pool (can be fully disambiguated)
     kHeapRef,           // 3 Somewhere on the heap (alias with any other heap)
     kMustNotAlias,      // 4 Guaranteed to be non-alias (eg *(r6+x))
-} ResourceEncodingPos;
+};
 
 #define ENCODE_REG_LIST(N)      ((u8) N)
 #define ENCODE_REG_SP           (1ULL << kRegSP)
@@ -197,7 +197,7 @@
  * Annotate special-purpose core registers:
  */
 
-typedef enum NativeRegisterPool {
+enum NativeRegisterPool {
     r_ZERO = 0,
     r_AT = 1,
     r_V0 = 2,
@@ -286,7 +286,7 @@
     r_HI = EXTRA_REG_OFFSET,
     r_LO,
     r_PC,
-} NativeRegisterPool;
+};
 
 /*
  * Target-independent aliases
@@ -304,12 +304,12 @@
 #define rINVOKE_TGT r_V0
 
 /* Shift encodings */
-typedef enum MipsShiftEncodings {
+enum MipsShiftEncodings {
     kMipsLsl = 0x0,
     kMipsLsr = 0x1,
     kMipsAsr = 0x2,
     kMipsRor = 0x3
-} MipsShiftEncodings;
+};
 
 // MIPS sync kinds (Note: support for kinds other than kSYNC0 may not exist)
 #define kSYNC0        0x00
@@ -330,7 +330,7 @@
  * assembler. Their corresponding EncodingMap positions will be defined in
  * Assemble.cc.
  */
-typedef enum MipsOpCode {
+enum MipsOpCode {
     kPseudoSuspendTarget = -15,
     kPseudoThrowTarget = -14,
     kPseudoCaseLabel = -13,
@@ -441,10 +441,10 @@
     kMipsSync,    /* sync kind [000000] [0000000000000000] s[10..6] [001111] */
     kMipsUndefined,  /* undefined [011001xxxxxxxxxxxxxxxx] */
     kMipsLast
-} MipsOpCode;
+};
 
 /* Bit flags describing the behavior of each native opcode */
-typedef enum MipsOpFeatureFlags {
+enum MipsOpFeatureFlags {
     kIsBranch = 0,
     kRegDef0,
     kRegDef1,
@@ -472,7 +472,7 @@
     kMemStore,
     kPCRelFixup,
     kRegUseLR,
-} MipsOpFeatureFlags;
+};
 
 #define IS_LOAD         (1 << kMemLoad)
 #define IS_STORE        (1 << kMemStore)
@@ -522,16 +522,16 @@
 #define REG_DEF01_USE2  (REG_DEF0 | REG_DEF1 | REG_USE2)
 
 /* Instruction assembly fieldLoc kind */
-typedef enum MipsEncodingKind {
+enum MipsEncodingKind {
     kFmtUnused,
     kFmtBitBlt,        /* Bit string using end/start */
     kFmtDfp,           /* Double FP reg */
     kFmtSfp,           /* Single FP reg */
     kFmtBlt5_2,        /* Same 5-bit field to 2 locations */
-} MipsEncodingKind;
+};
 
 /* Struct used to define the snippet positions for each MIPS opcode */
-typedef struct MipsEncodingMap {
+struct MipsEncodingMap {
     u4 skeleton;
     struct {
         MipsEncodingKind kind;
@@ -543,12 +543,12 @@
     const char *name;
     const char* fmt;
     int size;     /* Size in bytes */
-} MipsEncodingMap;
+};
 
 /* Keys for target-specific scheduling and other optimization hints */
-typedef enum MipsTargetOptHints {
+enum MipsTargetOptHints {
     kMaxHoistDistance,
-} MipsTargetOptHints;
+};
 
 extern MipsEncodingMap EncodingMap[kMipsLast];
 
diff --git a/src/compiler/codegen/x86/X86LIR.h b/src/compiler/codegen/x86/X86LIR.h
index 32bb1f8..31449e0 100644
--- a/src/compiler/codegen/x86/X86LIR.h
+++ b/src/compiler/codegen/x86/X86LIR.h
@@ -138,7 +138,7 @@
                       INVALID_SREG}
 #define LOC_C_RETURN_WIDE {kLocPhysReg, 1, 0, 0, 0, 0, 1, rAX, rDX, INVALID_SREG}
 
-typedef enum ResourceEncodingPos {
+enum ResourceEncodingPos {
     kGPReg0     = 0,
     kRegSP      = 4,
     kRegLR      = -1,
@@ -151,7 +151,7 @@
     kLiteral,           // 2 Literal pool (can be fully disambiguated)
     kHeapRef,           // 3 Somewhere on the heap (alias with any other heap)
     kMustNotAlias,      // 4 Guaranteed to be non-alias (eg *(r6+x))
-} ResourceEncodingPos;
+};
 
 #define ENCODE_REG_LIST(N)      ((u8) N)
 #define ENCODE_REG_SP           (1ULL << kRegSP)
@@ -175,7 +175,7 @@
  * Annotate special-purpose core registers:
  */
 
-typedef enum NativeRegisterPool {
+enum NativeRegisterPool {
   r0     = 0,
   rAX   = r0,
   r1     = 1,
@@ -216,7 +216,7 @@
   fr13 = 13 + FP_REG_OFFSET,
   fr14 = 14 + FP_REG_OFFSET,
   fr15 = 15 + FP_REG_OFFSET,
-} NativeRegisterPool;
+};
 
 /*
  * Target-independent aliases
@@ -235,7 +235,7 @@
  * assembler. Their corresponding EncodingMap positions will be defined in
  * Assemble.cc.
  */
-typedef enum X86OpCode {
+enum X86OpCode {
     kPseudoSuspendTarget = -15,
     kPseudoThrowTarget = -14,
     kPseudoCaseLabel = -13,
@@ -285,25 +285,25 @@
     BinaryOpCode(kOpMov),
 #undef BinaryOpCode
     kX86Last
-} X86OpCode;
+};
 
 /* Instruction assembly fieldLoc kind */
-typedef enum X86EncodingKind {
+enum X86EncodingKind {
   kData,                       // Special case for raw data
   kRegImm, kMemImm, kArrayImm, // RI, MI, AI instruction kinds
   kRegReg, kRegMem, kRegArray, // RR, RM, RA instruction kinds
   kMemReg, kArrayReg,          // MR and AR instruction kinds
   kUnimplemented               // Encoding used when an instruction isn't yet implemented.
-} X86EncodingKind;
+};
 
 /* A form of instruction with an opcode byte and a secondary opcode within the modrm byte */
-typedef struct OpcodeModRMOpcode {
+struct OpcodeModRMOpcode {
   uint8_t opcode;        // 1 byte opcode
   uint8_t modrm_opcode;  // 3 bit opcode that gets encoded in the register bits of the modrm byte
-} OpcodeModRMOpcode;
+};
 
 /* Struct used to define the EncodingMap positions for each X86 opcode */
-typedef struct X86EncodingMap {
+struct X86EncodingMap {
   X86OpCode opcode;      // e.g. kOpAddRI
   X86EncodingKind kind;  // Used to discriminate in the union below
   int flags;
@@ -328,7 +328,7 @@
   } skeleton;
   const char *name;
   const char* fmt;
-} X86EncodingMap;
+};
 
 extern X86EncodingMap EncodingMap[kX86Last];
 
@@ -337,7 +337,7 @@
 #define kST 0
 
 /* Bit flags describing the behavior of each native opcode */
-typedef enum X86OpFeatureFlags {
+enum X86OpFeatureFlags {
     kIsBranch = 0,
     kRegDef0,
     kRegDef1,
@@ -363,7 +363,7 @@
     kMemStore,
     kPCRelFixup,
 // FIXME: add NEEDS_FIXUP to instruction attributes
-} X86OpFeatureFlags;
+};
 
 #define IS_LOAD         (1 << kMemLoad)
 #define IS_STORE        (1 << kMemStore)
@@ -412,9 +412,9 @@
 #define REG_DEF01_USE2  (REG_DEF0 | REG_DEF1 | REG_USE2)
 
 /* Keys for target-specific scheduling and other optimization hints */
-typedef enum X86TargetOptHints {
+enum X86TargetOptHints {
     kMaxHoistDistance,
-} X86TargetOptHints;
+};
 
 
 #define IS_SIMM8(v) ((-128 <= (v)) && ((v) <= 127))