Add YUV_420_BIPLANAR to gfx::BufferFormat.

gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc

Index: gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
diff --git a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
index d544d10c90ca4c8f338933b9359510420242ab3b..4d6f9334cc9fbbc9afce671fcef162df6864b4b2 100644
--- a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
+++ b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittest.cc
@@ -114,6 +114,7 @@ void SetRow(gfx::BufferFormat format,
     case gfx::BufferFormat::ETC1:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       NOTREACHED();
       return;
   }
@@ -137,6 +138,7 @@ GLenum InternalFormat(gfx::BufferFormat format) {
     case gfx::BufferFormat::ETC1:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
       NOTREACHED();
       return 0;
   }