Android: Use virtualized context only for those with compatible config

ui/gl/gl_surface_egl.h

 // Copyright (c) 2012 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 UI_GL_GL_SURFACE_EGL_H_
 #define UI_GL_GL_SURFACE_EGL_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 66 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL);
 };
 
 // Encapsulates an EGL surface bound to a view.
 class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
  public:
   explicit NativeViewGLSurfaceEGL(EGLNativeWindowType window);
 
   // Implement GLSurface.
-  bool Initialize() override;
+  using GLSurfaceEGL::Initialize;

[no sievers, 2016/02/22 22:50:04]

why this? GLSurfaceEGL also doesn't have Initialize().

[Jinsuk Kim, 2016/02/23 01:27:38]

Used it to avoid following build error:

error: 'gfx::NativeViewGLSurfaceEGL::Initialize' hides overloaded virtual
function [-Werror,-Woverloaded-virtual]
  virtual bool Initialize(scoped_ptr<VSyncProvider> sync_provider);
               ^
../../ui/gl/gl_surface.h:52:16: note: hidden overloaded virtual function
'gfx::GLSurface::Initialize' declared here: different number of parameters (0 vs
1)
  virtual bool Initialize();
               ^

   bool Initialize(GLSurface::Format format) override;
   void Destroy() override;
   bool Resize(const gfx::Size& size,
               float scale_factor,
               bool has_alpha) override;
   bool Recreate() override;
   bool IsOffscreen() override;
   gfx::SwapResult SwapBuffers() override;
   gfx::Size GetSize() override;
   EGLSurface GetHandle() override;
@@ skipping 52 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceEGL);
 };
 
 // Encapsulates a pbuffer EGL surface.
 class GL_EXPORT PbufferGLSurfaceEGL : public GLSurfaceEGL {
  public:
   explicit PbufferGLSurfaceEGL(const gfx::Size& size);
 
   // Implement GLSurface.
+  bool Initialize() override;
   bool Initialize(GLSurface::Format format) override;
   void Destroy() override;
   bool IsOffscreen() override;
   gfx::SwapResult SwapBuffers() override;
   gfx::Size GetSize() override;
   bool Resize(const gfx::Size& size,
               float scale_factor,
               bool has_alpha) override;
   EGLSurface GetHandle() override;
   void* GetShareHandle() override;
@@ skipping 32 matching lines @@
   ~SurfacelessEGL() override;
 
  private:
   gfx::Size size_;
   DISALLOW_COPY_AND_ASSIGN(SurfacelessEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_EGL_H_