Workaround for Intel 6xxx clear to 0/1 bug

gpu/config/gpu_driver_bug_workaround_type.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef GPU_CONFIG_GPU_DRIVER_BUG_WORKAROUND_TYPE_H_
 #define GPU_CONFIG_GPU_DRIVER_BUG_WORKAROUND_TYPE_H_
 
 #include <string>
 
 #include "gpu/gpu_export.h"
 
 // Clang format is toggled off here so that newlines can be kept consistent
 // throughout the table.
 // clang-format off
 #define GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)                   \
   GPU_OP(ADD_AND_TRUE_TO_LOOP_CONDITION,                     \
          add_and_true_to_loop_condition)                     \
   GPU_OP(ADJUST_SRC_DST_REGION_FOR_BLITFRAMEBUFFER,          \
          adjust_src_dst_region_for_blitframebuffer)          \
   GPU_OP(AVDA_DONT_COPY_PICTURES,                            \
          avda_dont_copy_pictures)                            \
   GPU_OP(AVOID_EGL_IMAGE_TARGET_TEXTURE_REUSE,               \
          avoid_egl_image_target_texture_reuse)               \
   GPU_OP(AVOID_ONE_COMPONENT_EGL_IMAGES,                     \
          avoid_one_component_egl_images)                     \
   GPU_OP(BROKEN_EGL_IMAGE_REF_COUNTING,                      \
          broken_egl_image_ref_counting)                      \
   GPU_OP(CLEAR_ALPHA_IN_READPIXELS,                          \
          clear_alpha_in_readpixels)                          \
+  GPU_OP(CLEAR_TO_BOUNDARY_VALUES_IS_BROKEN,                 \
+         clear_to_boundary_values_is_broken)                 \
   GPU_OP(CLEAR_UNIFORMS_BEFORE_FIRST_PROGRAM_USE,            \
          clear_uniforms_before_first_program_use)            \
   GPU_OP(COUNT_ALL_IN_VARYINGS_PACKING,                      \
          count_all_in_varyings_packing)                      \
   GPU_OP(CREATE_DEFAULT_GL_CONTEXT,                          \
          create_default_gl_context)                          \
   GPU_OP(DECODE_ENCODE_SRGB_FOR_GENERATEMIPMAP,              \
          decode_encode_srgb_for_generatemipmap)              \
   GPU_OP(DISABLE_ACCELERATED_VPX_DECODE,                     \
          disable_accelerated_vpx_decode)                     \
@@ skipping 194 matching lines @@
 #undef GPU_OP
   NUMBER_OF_GPU_DRIVER_BUG_WORKAROUND_TYPES
 };
 
 GPU_EXPORT std::string GpuDriverBugWorkaroundTypeToString(
     GpuDriverBugWorkaroundType type);
 
 }  // namespace gpu
 
 #endif  // GPU_CONFIG_GPU_DRIVER_BUG_WORKAROUND_TYPE_H_