Delete usage and support for EGL_ANGLE_software_display extension.

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 13 matching lines @@
 // Interface for EGL surface.
 class GL_EXPORT GLSurfaceEGL : public GLSurface {
  public:
   GLSurfaceEGL();
 
   // Implement GLSurface.
   virtual EGLDisplay GetDisplay() OVERRIDE;
 
   static bool InitializeOneOff();
   static EGLDisplay GetHardwareDisplay();
-  static EGLDisplay GetSoftwareDisplay();
   static EGLNativeDisplayType GetNativeDisplay();
 
   // These aren't particularly tied to surfaces, but since we already
   // have the static InitializeOneOff here, it's easiest to reuse its
   // initialization guards.
   static const char* GetEGLExtensions();
   static bool HasEGLExtension(const char* name);
   static bool IsCreateContextRobustnessSupported();
 
  protected:
   virtual ~GLSurfaceEGL();
 
-  bool software_;
-
  private:
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceEGL);
 };
 
 // Encapsulates an EGL surface bound to a view.
 class GL_EXPORT NativeViewGLSurfaceEGL : public GLSurfaceEGL {
  public:
-  NativeViewGLSurfaceEGL(bool software, gfx::AcceleratedWidget window);
+  explicit NativeViewGLSurfaceEGL(gfx::AcceleratedWidget window);
 
   // Implement GLSurface.
   virtual EGLConfig GetConfig() OVERRIDE;
   virtual bool Initialize() OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual bool Resize(const gfx::Size& size) OVERRIDE;
   virtual bool Recreate() OVERRIDE;
   virtual bool IsOffscreen() OVERRIDE;
   virtual bool SwapBuffers() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
@@ skipping 16 matching lines @@
   EGLConfig config_;
 
   scoped_ptr<VSyncProvider> vsync_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceEGL);
 };
 
 // Encapsulates a pbuffer EGL surface.
 class GL_EXPORT PbufferGLSurfaceEGL : public GLSurfaceEGL {
  public:
-  PbufferGLSurfaceEGL(bool software, const gfx::Size& size);
+  explicit PbufferGLSurfaceEGL(const gfx::Size& size);
 
   // Implement GLSurface.
   virtual EGLConfig GetConfig() OVERRIDE;
   virtual bool Initialize() OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual bool IsOffscreen() OVERRIDE;
   virtual bool SwapBuffers() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool Resize(const gfx::Size& size) OVERRIDE;
   virtual EGLSurface GetHandle() OVERRIDE;
   virtual void* GetShareHandle() OVERRIDE;
 
  protected:
   virtual ~PbufferGLSurfaceEGL();
 
  private:
   gfx::Size size_;
   EGLSurface surface_;
 
   DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_EGL_H_