Add half-float IOSurface GpuMemoryBuffer support

gpu/ipc/common/gpu_memory_buffer_support.cc

Index: gpu/ipc/common/gpu_memory_buffer_support.cc
diff --git a/gpu/ipc/common/gpu_memory_buffer_support.cc b/gpu/ipc/common/gpu_memory_buffer_support.cc
index 3dfc6041fad2a4e84efde86c9098ea213fa4bedf..73ac6b658f5f0127fd6c798f42eae15c5cca4fc9 100644
--- a/gpu/ipc/common/gpu_memory_buffer_support.cc
+++ b/gpu/ipc/common/gpu_memory_buffer_support.cc
@@ -39,6 +39,7 @@ bool IsNativeGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format,
     case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
       return format == gfx::BufferFormat::R_8 ||
              format == gfx::BufferFormat::BGRA_8888 ||
+             format == gfx::BufferFormat::RGBA_F16 ||
              format == gfx::BufferFormat::UYVY_422 ||
              format == gfx::BufferFormat::YUV_420_BIPLANAR;
   }