command_buffer: Implement CHROMIUM_framebuffer_mixed_samples extension

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
index af31a5109626443536404dba3aadf686052cff1c..02d8aabd70f03ac73353abe51c3c379cecd7cbcc 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
@@ -3223,6 +3223,9 @@ static const GLES2Util::EnumToString enum_to_string_table[] = {
         0x9317, "GL_MAX_FRAMEBUFFER_LAYERS_EXT",
     },
     {
+        0x9332, "GL_COVERAGE_MODULATION_CHROMIUM",
+    },
+    {
         0x9380, "GL_NUM_SAMPLE_COUNTS",
     },
     {
@@ -3631,6 +3634,17 @@ std::string GLES2Util::GetStringCompressedTextureFormat(uint32_t value) {
                                            arraysize(string_table), value);
 }
 
+std::string GLES2Util::GetStringCoverageModulationComponents(uint32_t value) {
+  static const EnumToString string_table[] = {
+      {GL_RGB, "GL_RGB"},
+      {GL_RGBA, "GL_RGBA"},
+      {GL_ALPHA, "GL_ALPHA"},
+      {GL_NONE, "GL_NONE"},
+  };
+  return GLES2Util::GetQualifiedEnumString(string_table,
+                                           arraysize(string_table), value);
+}
+
 std::string GLES2Util::GetStringDrawMode(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_POINTS, "GL_POINTS"},