Update from https://crrev.com/312398

gpu/command_buffer/client/gles2_implementation_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_autogen.h b/gpu/command_buffer/client/gles2_implementation_autogen.h
index c2be814c2cfd9d02b19a5423ee908163aebf3510..16753ae8d996bb77b80a7e44e117cfae30e87d16 100644
--- a/gpu/command_buffer/client/gles2_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_autogen.h
@@ -71,6 +71,23 @@ GLenum CheckFramebufferStatus(GLenum target) override;
 
 void Clear(GLbitfield mask) override;
 
+void ClearBufferfi(GLenum buffer,
+                   GLint drawbuffers,
+                   GLfloat depth,
+                   GLint stencil) override;
+
+void ClearBufferfv(GLenum buffer,
+                   GLint drawbuffers,
+                   const GLfloat* value) override;
+
+void ClearBufferiv(GLenum buffer,
+                   GLint drawbuffers,
+                   const GLint* value) override;
+
+void ClearBufferuiv(GLenum buffer,
+                    GLint drawbuffers,
+                    const GLuint* value) override;
+
 void ClearColor(GLclampf red,
                 GLclampf green,
                 GLclampf blue,