Remove callbacks for SurfaceFactoryOzone::LoadEGLGLES2Bindings().

ui/ozone/platform/headless/headless_surface_factory.cc

 // Copyright 2015 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.
 
 #include "ui/ozone/platform/headless/headless_surface_factory.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/macros.h"
@@ skipping 17 matching lines @@
   DCHECK(!location.empty());
   std::vector<unsigned char> png_data;
   gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
   base::WriteFile(location, reinterpret_cast<const char*>(png_data.data()),
                   png_data.size());
 }
 
 // TODO(altimin): Find a proper way to capture rendering output.
 class FileSurface : public SurfaceOzoneCanvas {
  public:
-  FileSurface(const base::FilePath& location) : location_(location) {}
+  explicit FileSurface(const base::FilePath& location) : location_(location) {}
   ~FileSurface() override {}
 
   // SurfaceOzoneCanvas overrides:
   void ResizeCanvas(const gfx::Size& viewport_size) override {
     surface_ = SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(
         viewport_size.width(), viewport_size.height()));
   }
   sk_sp<SkSurface> GetSurface() override { return surface_; }
   void PresentCanvas(const gfx::Rect& damage) override {
     if (location_.empty())
@@ skipping 12 matching lines @@
     return nullptr;
   }
 
  private:
   base::FilePath location_;
   sk_sp<SkSurface> surface_;
 };
 
 class TestPixmap : public ui::NativePixmap {
  public:
-  TestPixmap(gfx::BufferFormat format) : format_(format) {}
+  explicit TestPixmap(gfx::BufferFormat format) : format_(format) {}
 
   void* GetEGLClientBuffer() const override { return nullptr; }
   bool AreDmaBufFdsValid() const override { return false; }
   size_t GetDmaBufFdCount() const override { return 0; }
   int GetDmaBufFd(size_t plane) const override { return -1; }
   int GetDmaBufPitch(size_t plane) const override { return 0; }
   int GetDmaBufOffset(size_t plane) const override { return 0; }
   uint64_t GetDmaBufModifier(size_t plane) const override { return 0; }
   gfx::BufferFormat GetBufferFormat() const override { return format_; }
   gfx::Size GetBufferSize() const override { return gfx::Size(); }
@@ skipping 28 matching lines @@
     : window_manager_(window_manager) {}
 
 HeadlessSurfaceFactory::~HeadlessSurfaceFactory() {}
 
 std::unique_ptr<SurfaceOzoneCanvas>
 HeadlessSurfaceFactory::CreateCanvasForWidget(gfx::AcceleratedWidget widget) {
   HeadlessWindow* window = window_manager_->GetWindow(widget);
   return base::WrapUnique<SurfaceOzoneCanvas>(new FileSurface(window->path()));
 }
 
-bool HeadlessSurfaceFactory::LoadEGLGLES2Bindings(
-    AddGLLibraryCallback add_gl_library,
-    SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
-  return false;
-}
-
 scoped_refptr<NativePixmap> HeadlessSurfaceFactory::CreateNativePixmap(
     gfx::AcceleratedWidget widget,
     gfx::Size size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage) {
   return new TestPixmap(format);
 }
 
 }  // namespace ui