Use macro to simplify gpu driver bug workaround defs and code.

gpu/command_buffer/service/feature_info.h

 // Copyright (c) 2012 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_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 
 #include <set>
 #include <string>
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/sys_info.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gles2_cmd_validation.h"
+#include "gpu/command_buffer/service/gpu_driver_bug_workaround_type.h"
 #include "gpu/gpu_export.h"
 
 class CommandLine;
 
 namespace gpu {
 namespace gles2 {
 
 // FeatureInfo records the features that are available for a ContextGroup.
 class GPU_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> {
  public:
@@ skipping 16 matching lines @@
     bool use_arb_occlusion_query_for_occlusion_query_boolean;
     bool native_vertex_array_object;
     bool enable_shader_name_hashing;
     bool enable_samplers;
     bool ext_draw_buffers;
   };
 
   struct Workarounds {
     Workarounds();
 
-    bool clear_alpha_in_readpixels;
-    bool clear_uniforms_before_program_use;
-    bool delete_instead_of_resize_fbo;
-    bool disable_angle_framebuffer_multisample;
-    bool disable_depth_texture;
-    bool disable_ext_occlusion_query;
-    bool enable_chromium_fast_npot_mo8_textures;
-    bool exit_on_context_lost;
-    bool flush_on_context_switch;
-    bool needs_glsl_built_in_function_emulation;
-    bool needs_offscreen_buffer_workaround;
-    bool restore_scissor_on_fbo_change;
-    bool reverse_point_sprite_coord_origin;
-    bool set_texture_filter_before_generating_mipmap;
-    bool use_client_side_arrays_for_stream_buffers;
-    bool use_current_program_after_successful_link;
+#define GPU_OP(type, name) bool name;
+    GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
+#undef GPU_OP
 
     // Note: 0 here means use driver limit.
     GLint max_texture_size;
     GLint max_cube_map_texture_size;
   };
 
   FeatureInfo();
 
   // If allowed features = NULL or "*", all features are allowed. Otherwise
   // only features that match the strings in allowed_features are allowed.
@@ skipping 49 matching lines @@
   // Flags for Workarounds.
   Workarounds workarounds_;
 
   DISALLOW_COPY_AND_ASSIGN(FeatureInfo);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_