Remove mojo/apps/js, it is unused

mojo/apps/js/bindings/gl/context.h

-// Copyright 2013 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 MOJO_APPS_JS_BINDINGS_GL_CONTEXT_H_
-#define MOJO_APPS_JS_BINDINGS_GL_CONTEXT_H_
-
-#include <GLES2/gl2.h>
-
-#include "base/memory/weak_ptr.h"
-#include "gin/handle.h"
-#include "gin/public/wrapper_info.h"
-#include "gin/runner.h"
-#include "gin/wrappable.h"
-#include "mojo/bindings/js/handle.h"
-#include "mojo/public/c/gles2/gles2.h"
-#include "v8/include/v8.h"
-
-namespace gin {
-class Arguments;
-class ArrayBufferView;
-}
-
-namespace mojo {
-namespace js {
-namespace gl {
-
-// Context implements WebGLRenderingContext.
-class Context : public gin::Wrappable<Context> {
- public:
-  static gin::WrapperInfo kWrapperInfo;
-
-  // TODO(piman): draw animation frame callback.
-  static gin::Handle<Context> Create(
-      v8::Isolate* isolate,
-      mojo::Handle handle,
-      v8::Handle<v8::Function> context_lost_callback);
-
-  static void BufferData(GLenum target, const gin::ArrayBufferView& buffer,
-                         GLenum usage);
-  static void CompileShader(const gin::Arguments& args, GLuint shader);
-  static GLuint CreateBuffer();
-  static void DrawElements(GLenum mode, GLsizei count, GLenum type,
-                           uint64_t indices);
-  static GLint GetAttribLocation(GLuint program, const std::string& name);
-  static std::string GetProgramInfoLog(GLuint program);
-  static std::string GetShaderInfoLog(GLuint shader);
-  static GLint GetUniformLocation(GLuint program, const std::string& name);
-  static void ShaderSource(GLuint shader, const std::string& source);
-  static void UniformMatrix4fv(GLint location, GLboolean transpose,
-                               const gin::ArrayBufferView& buffer);
-  static void VertexAttribPointer(GLuint index, GLint size, GLenum type,
-                                  GLboolean normalized, GLsizei stride,
-                                  uint64_t offset);
-
- private:
-  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
-      v8::Isolate* isolate) override;
-
-  explicit Context(v8::Isolate* isolate,
-                   mojo::Handle handle,
-                   v8::Handle<v8::Function> context_lost_callback);
-  ~Context() override;
-
-  void ContextLost();
-  static void ContextLostThunk(void* closure);
-
-  base::WeakPtr<gin::Runner> runner_;
-  v8::Persistent<v8::Function> context_lost_callback_;
-  MojoGLES2Context context_;
-};
-
-}  // namespace gl
-}  // namespace js
-}  // namespace mojo
-
-#endif  // MOJO_APPS_JS_BINDINGS_GL_CONTEXT_H_