Expose GLES2Interface to blink, and delete isContextLost() from WGC3D.

third_party/WebKit/Source/platform/graphics/test/MockWebGraphicsContext3D.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 29 matching lines @@
         , m_contextLost(false)
     {
     }
 
     virtual void prepareTexture() { }
 
     virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) { }
 
     virtual void synthesizeGLError(WGC3Denum) { }
 
-    virtual bool isContextLost() { return m_contextLost; }
-
     virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) { return 0; }
     virtual void unmapBufferSubDataCHROMIUM(const void*) { }
     virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) { return 0; }
     virtual void unmapTexSubImage2DCHROMIUM(const void*) { }
 
     virtual void setVisibilityCHROMIUM(bool visible) { }
 
     virtual void discardFramebufferEXT(WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { }
     virtual void ensureFramebufferCHROMIUM() { }
 
@@ skipping 216 matching lines @@
     virtual WebGLId createQueryEXT() { return 1; }
     virtual void deleteQueryEXT(WebGLId) { }
     virtual GLboolean isQueryEXT(WebGLId) { return true; }
     virtual void beginQueryEXT(GLenum, WebGLId) { }
     virtual void endQueryEXT(GLenum) { }
     virtual void getQueryivEXT(GLenum, GLenum, GLint*) { }
     virtual void getQueryObjectuivEXT(WebGLId, GLenum, GLuint*) { }
 
     virtual WebString getTranslatedShaderSourceANGLE(WebGLId) { return WebString(); }
 
+    // Don't use this, make a MockGLES2Interface instead.
+    virtual gpu::gles2::GLES2Interface* getGLES2Interface() { return nullptr; }
+
     void fakeContextLost() { m_contextLost = true; }
 protected:
     unsigned m_nextTextureId;
     bool m_contextLost;
     Attributes m_attrs;
 };
 
 } // namespace blink
 
 #endif // MockWebGraphicsContext3D_h