GPU_EXPORT extern const char kDisableGpuProgramCache[];
GPU_EXPORT extern const char kEnforceGLMinimums[];
GPU_EXPORT extern const char kForceGpuMemAvailableMb[];
-GPU_EXPORT extern const char kForceSynchronousGLReadPixels[];
GPU_EXPORT extern const char kGpuDriverBugWorkarounds[];
GPU_EXPORT extern const char kGpuProgramCacheSizeKb[];
GPU_EXPORT extern const char kDisableGpuShaderDiskCache[];