Load the GL_KHR_debug entry points and log messages they produce.

ui/gl/gl_stub_autogen_gl.h

 // Copyright 2016 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.
 //
 // This file is auto-generated from
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 215 matching lines @@
                                     GLenum pathNameType,
                                     const void* paths,
                                     GLuint pathBase,
                                     GLenum coverMode,
                                     GLenum transformType,
                                     const GLfloat* transformValues) override {}
 void glCoverStrokePathNVFn(GLuint name, GLenum coverMode) override {}
 GLuint glCreateProgramFn() override;
 GLuint glCreateShaderFn(GLenum type) override;
 void glCullFaceFn(GLenum mode) override {}
+void glDebugMessageCallbackFn(GLDEBUGPROC callback,
+                              const void* userParam) override {}
+void glDebugMessageControlFn(GLenum source,
+                             GLenum type,
+                             GLenum severity,
+                             GLsizei count,
+                             const GLuint* ids,
+                             GLboolean enabled) override {}
+void glDebugMessageInsertFn(GLenum source,
+                            GLenum type,
+                            GLuint id,
+                            GLenum severity,
+                            GLsizei length,
+                            const char* buf) override {}
 void glDeleteBuffersARBFn(GLsizei n, const GLuint* buffers) override {}
 void glDeleteFencesAPPLEFn(GLsizei n, const GLuint* fences) override {}
 void glDeleteFencesNVFn(GLsizei n, const GLuint* fences) override {}
 void glDeleteFramebuffersEXTFn(GLsizei n, const GLuint* framebuffers) override {
 }
 void glDeletePathsNVFn(GLuint path, GLsizei range) override {}
 void glDeleteProgramFn(GLuint program) override {}
 void glDeleteQueriesFn(GLsizei n, const GLuint* ids) override {}
 void glDeleteRenderbuffersEXTFn(GLsizei n,
                                 const GLuint* renderbuffers) override {}
@@ skipping 150 matching lines @@
 void glGetBufferParameterivRobustANGLEFn(GLenum target,
                                          GLenum pname,
                                          GLsizei bufSize,
                                          GLsizei* length,
                                          GLint* params) override {}
 void glGetBufferPointervRobustANGLEFn(GLenum target,
                                       GLenum pname,
                                       GLsizei bufSize,
                                       GLsizei* length,
                                       void** params) override {}
+void glGetDebugMessageLogFn(GLuint count,
+                            GLsizei bufSize,
+                            GLenum* sources,
+                            GLenum* types,
+                            GLuint* ids,
+                            GLenum* severities,
+                            GLsizei* lengths,
+                            char* messageLog) override {}
 GLenum glGetErrorFn() override;
 void glGetFenceivNVFn(GLuint fence, GLenum pname, GLint* params) override {}
 void glGetFloatvFn(GLenum pname, GLfloat* params) override {}
 void glGetFloatvRobustANGLEFn(GLenum pname,
                               GLsizei bufSize,
                               GLsizei* length,
                               GLfloat* data) override {}
 GLint glGetFragDataIndexFn(GLuint program, const char* name) override;
 GLint glGetFragDataLocationFn(GLuint program, const char* name) override;
 void glGetFramebufferAttachmentParameterivEXTFn(GLenum target,
@@ skipping 59 matching lines @@
 void glGetnUniformivRobustANGLEFn(GLuint program,
                                   GLint location,
                                   GLsizei bufSize,
                                   GLsizei* length,
                                   GLint* params) override {}
 void glGetnUniformuivRobustANGLEFn(GLuint program,
                                    GLint location,
                                    GLsizei bufSize,
                                    GLsizei* length,
                                    GLuint* params) override {}
+void glGetObjectLabelFn(GLenum identifier,
+                        GLuint name,
+                        GLsizei bufSize,
+                        GLsizei* length,
+                        char* label) override {}
+void glGetObjectPtrLabelFn(void* ptr,
+                           GLsizei bufSize,
+                           GLsizei* length,
+                           char* label) override {}
+void glGetPointervFn(GLenum pname, void** params) override {}
 void glGetPointervRobustANGLERobustANGLEFn(GLenum pname,
                                            GLsizei bufSize,
                                            GLsizei* length,
                                            void** params) override {}
 void glGetProgramBinaryFn(GLuint program,
                           GLsizei bufSize,
                           GLsizei* length,
                           GLenum* binaryFormat,
                           GLvoid* binary) override {}
 void glGetProgramInfoLogFn(GLuint program,
@@ skipping 274 matching lines @@
 void glLineWidthFn(GLfloat width) override {}
 void glLinkProgramFn(GLuint program) override {}
 void* glMapBufferFn(GLenum target, GLenum access) override;
 void* glMapBufferRangeFn(GLenum target,
                          GLintptr offset,
                          GLsizeiptr length,
                          GLbitfield access) override;
 void glMatrixLoadfEXTFn(GLenum matrixMode, const GLfloat* m) override {}
 void glMatrixLoadIdentityEXTFn(GLenum matrixMode) override {}
 void glMemoryBarrierEXTFn(GLbitfield barriers) override {}
+void glObjectLabelFn(GLenum identifier,
+                     GLuint name,
+                     GLsizei length,
+                     const char* label) override {}
+void glObjectPtrLabelFn(void* ptr, GLsizei length, const char* label) override {
+}
 void glPathCommandsNVFn(GLuint path,
                         GLsizei numCommands,
                         const GLubyte* commands,
                         GLsizei numCoords,
                         GLenum coordType,
                         const GLvoid* coords) override {}
 void glPathParameterfNVFn(GLuint path, GLenum pname, GLfloat value) override {}
 void glPathParameteriNVFn(GLuint path, GLenum pname, GLint value) override {}
 void glPathStencilFuncNVFn(GLenum func, GLint ref, GLuint mask) override {}
 void glPauseTransformFeedbackFn() override {}
 void glPixelStoreiFn(GLenum pname, GLint param) override {}
 void glPointParameteriFn(GLenum pname, GLint param) override {}
 void glPolygonOffsetFn(GLfloat factor, GLfloat units) override {}
+void glPopDebugGroupFn() override {}
 void glPopGroupMarkerEXTFn() override {}
 void glPrimitiveRestartIndexFn(GLuint index) override {}
 void glProgramBinaryFn(GLuint program,
                        GLenum binaryFormat,
                        const GLvoid* binary,
                        GLsizei length) override {}
 void glProgramParameteriFn(GLuint program, GLenum pname, GLint value) override {
 }
 void glProgramPathFragmentInputGenNVFn(GLuint program,
                                        GLint location,
                                        GLenum genMode,
                                        GLint components,
                                        const GLfloat* coeffs) override {}
+void glPushDebugGroupFn(GLenum source,
+                        GLuint id,
+                        GLsizei length,
+                        const char* message) override {}
 void glPushGroupMarkerEXTFn(GLsizei length, const char* marker) override {}
 void glQueryCounterFn(GLuint id, GLenum target) override {}
 void glReadBufferFn(GLenum src) override {}
 void glReadnPixelsRobustANGLEFn(GLint x,
                                 GLint y,
                                 GLsizei width,
                                 GLsizei height,
                                 GLenum format,
                                 GLenum type,
                                 GLsizei bufSize,
@@ skipping 376 matching lines @@
                               GLsizei stride,
                               const void* ptr) override {}
 void glVertexAttribPointerFn(GLuint indx,
                              GLint size,
                              GLenum type,
                              GLboolean normalized,
                              GLsizei stride,
                              const void* ptr) override {}
 void glViewportFn(GLint x, GLint y, GLsizei width, GLsizei height) override {}
 GLenum glWaitSyncFn(GLsync sync, GLbitfield flags, GLuint64 timeout) override;