GPU recording (--trace_gpu=file) and playback (gpu-trace-viewer file).

src/poly/mapped_memory.h

@@ -18,8 +18,8 @@ namespace poly {
 class MappedMemory {
  public:
   enum class Mode {
-    READ,
-    READ_WRITE,
+    kRead,
+    kReadWrite,
   };
 
   virtual ~MappedMemory() = default;

src/poly/mapped_memory_win.cc

@@ -45,14 +45,14 @@ std::unique_ptr<MappedMemory> MappedMemory::Open(const std::wstring& path,
   DWORD mapping_protect = 0;
   DWORD view_access = 0;
   switch (mode) {
-    case Mode::READ:
+    case Mode::kRead:
       file_access |= GENERIC_READ;
       file_share |= FILE_SHARE_READ;
       create_mode |= OPEN_EXISTING;
       mapping_protect |= PAGE_READONLY;
       view_access |= FILE_MAP_READ;
       break;
-    case Mode::READ_WRITE:
+    case Mode::kReadWrite:
       file_access |= GENERIC_READ | GENERIC_WRITE;
       file_share |= 0;
       create_mode |= OPEN_EXISTING;