Update from https://crrev.com/316786

ui/gl/gl_bindings_autogen_gl.cc

 // Copyright 2014 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 3429 matching lines @@
                  << "(" << GLEnums::GetStringEnum(target) << ", "
                  << GLEnums::GetStringEnum(pname) << ", "
                  << static_cast<const void*>(params) << ")");
   g_driver_gl.debug_fn.glGetTexParameterivFn(target, pname, params);
 }
 
 static void GL_BINDING_CALL Debug_glGetTransformFeedbackVarying(GLuint program,
                                                                 GLuint index,
                                                                 GLsizei bufSize,
                                                                 GLsizei* length,
+                                                                GLsizei* size,
                                                                 GLenum* type,
                                                                 char* name) {
   GL_SERVICE_LOG("glGetTransformFeedbackVarying"
                  << "(" << program << ", " << index << ", " << bufSize << ", "
                  << static_cast<const void*>(length) << ", "
+                 << static_cast<const void*>(size) << ", "
                  << static_cast<const void*>(type) << ", "
                  << static_cast<const void*>(name) << ")");
-  g_driver_gl.debug_fn.glGetTransformFeedbackVaryingFn(program, index, bufSize,
-                                                       length, type, name);
+  g_driver_gl.debug_fn.glGetTransformFeedbackVaryingFn(
+      program, index, bufSize, length, size, type, name);
 }
 
 static void GL_BINDING_CALL
 Debug_glGetTranslatedShaderSourceANGLE(GLuint shader,
                                        GLsizei bufsize,
                                        GLsizei* length,
                                        char* source) {
   GL_SERVICE_LOG("glGetTranslatedShaderSourceANGLE"
                  << "(" << shader << ", " << bufsize << ", "
                  << static_cast<const void*>(length) << ", "
@@ skipping 3300 matching lines @@
 void GLApiBase::glGetTexParameterivFn(GLenum target,
                                       GLenum pname,
                                       GLint* params) {
   driver_->fn.glGetTexParameterivFn(target, pname, params);
 }
 
 void GLApiBase::glGetTransformFeedbackVaryingFn(GLuint program,
                                                 GLuint index,
                                                 GLsizei bufSize,
                                                 GLsizei* length,
+                                                GLsizei* size,
                                                 GLenum* type,
                                                 char* name) {
   driver_->fn.glGetTransformFeedbackVaryingFn(program, index, bufSize, length,
-                                              type, name);
+                                              size, type, name);
 }
 
 void GLApiBase::glGetTranslatedShaderSourceANGLEFn(GLuint shader,
                                                    GLsizei bufsize,
                                                    GLsizei* length,
                                                    char* source) {
   driver_->fn.glGetTranslatedShaderSourceANGLEFn(shader, bufsize, length,
                                                  source);
 }
 
@@ skipping 1799 matching lines @@
                                        GLenum pname,
                                        GLint* params) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::glGetTexParameteriv")
   gl_api_->glGetTexParameterivFn(target, pname, params);
 }
 
 void TraceGLApi::glGetTransformFeedbackVaryingFn(GLuint program,
                                                  GLuint index,
                                                  GLsizei bufSize,
                                                  GLsizei* length,
+                                                 GLsizei* size,
                                                  GLenum* type,
                                                  char* name) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu",
                                 "TraceGLAPI::glGetTransformFeedbackVarying")
   gl_api_->glGetTransformFeedbackVaryingFn(program, index, bufSize, length,
-                                           type, name);
+                                           size, type, name);
 }
 
 void TraceGLApi::glGetTranslatedShaderSourceANGLEFn(GLuint shader,
                                                     GLsizei bufsize,
                                                     GLsizei* length,
                                                     char* source) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu",
                                 "TraceGLAPI::glGetTranslatedShaderSourceANGLE")
   gl_api_->glGetTranslatedShaderSourceANGLEFn(shader, bufsize, length, source);
 }
@@ skipping 2098 matching lines @@
   NOTREACHED()
       << "Trying to call glGetTexParameteriv() without current GL context";
   LOG(ERROR)
       << "Trying to call glGetTexParameteriv() without current GL context";
 }
 
 void NoContextGLApi::glGetTransformFeedbackVaryingFn(GLuint program,
                                                      GLuint index,
                                                      GLsizei bufSize,
                                                      GLsizei* length,
+                                                     GLsizei* size,
                                                      GLenum* type,
                                                      char* name) {
   NOTREACHED() << "Trying to call glGetTransformFeedbackVarying() without "
                   "current GL context";
   LOG(ERROR) << "Trying to call glGetTransformFeedbackVarying() without "
                 "current GL context";
 }
 
 void NoContextGLApi::glGetTranslatedShaderSourceANGLEFn(GLuint shader,
                                                         GLsizei bufsize,
@@ skipping 1033 matching lines @@
 
 GLenum NoContextGLApi::glWaitSyncFn(GLsync sync,
                                     GLbitfield flags,
                                     GLuint64 timeout) {
   NOTREACHED() << "Trying to call glWaitSync() without current GL context";
   LOG(ERROR) << "Trying to call glWaitSync() without current GL context";
   return static_cast<GLenum>(0);
 }
 
 }  // namespace gfx