cc: Unify context losing machinery

cc/test/fake_web_graphics_context_3d.h

 // Copyright 2011 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 CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
 #define CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_
 
 #include "third_party/khronos/GLES2/gl2.h"
 #include <public/WebGraphicsContext3D.h>
 
 namespace cc {
 
 // WebGraphicsContext3D base class for use in WebKit unit tests.
 // All operations are no-ops (returning 0 if necessary).
 class FakeWebGraphicsContext3D : public WebKit::WebGraphicsContext3D {
 public:
     FakeWebGraphicsContext3D()
         : m_nextTextureId(1)
+        , m_contextLost(false)
+        , m_contextLostCallback(NULL)
     {
     }
 
     virtual bool makeContextCurrent();
 
     virtual int width();
     virtual int height();
 
     virtual void reshape(int width, int height) { }
 
     virtual bool isGLES2Compliant();
 
     virtual bool readBackFramebuffer(unsigned char* pixels, size_t bufferSize, WebKit::WebGLId framebuffer, int width, int height);
 
     virtual WebKit::WebGLId getPlatformTextureId();
 
     virtual void prepareTexture() { }
 
     virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) { }
 
     virtual void synthesizeGLError(WebKit::WGC3Denum) { }
 
     virtual bool isContextLost();
+    virtual WebKit::WGC3Denum getGraphicsResetStatusARB();
 
     virtual void* mapBufferSubDataCHROMIUM(WebKit::WGC3Denum target, WebKit::WGC3Dintptr offset, WebKit::WGC3Dsizeiptr size, WebKit::WGC3Denum access);
 
     virtual void unmapBufferSubDataCHROMIUM(const void*) { }
     virtual void* mapTexSubImage2DCHROMIUM(WebKit::WGC3Denum target, WebKit::WGC3Dint level, WebKit::WGC3Dint xoffset, WebKit::WGC3Dint yoffset, WebKit::WGC3Dsizei width, WebKit::WGC3Dsizei height, WebKit::WGC3Denum format, WebKit::WGC3Denum type, WebKit::WGC3Denum access);
     virtual void unmapTexSubImage2DCHROMIUM(const void*) { }
 
     virtual void setVisibilityCHROMIUM(bool visible) { }
 
     virtual void discardFramebufferEXT(WebKit::WGC3Denum target, WebKit::WGC3Dsizei numAttachments, const WebKit::WGC3Denum* attachments) { }
@@ skipping 177 matching lines @@
                                  WebKit::WGC3Dint width, WebKit::WGC3Dint height) { }
 
     virtual WebKit::WebGLId createQueryEXT();
     virtual void deleteQueryEXT(WebKit::WebGLId) { }
     virtual WebKit::WGC3Dboolean isQueryEXT(WebKit::WebGLId);
     virtual void beginQueryEXT(WebKit::WGC3Denum, WebKit::WebGLId) { }
     virtual void endQueryEXT(WebKit::WGC3Denum) { }
     virtual void getQueryivEXT(WebKit::WGC3Denum, WebKit::WGC3Denum, WebKit::WGC3Dint*) { }
     virtual void getQueryObjectuivEXT(WebKit::WebGLId, WebKit::WGC3Denum, WebKit::WGC3Duint*) { }
 
+    virtual void setContextLostCallback(WebGraphicsContextLostCallback* callback);
+
+    void loseContext();
+
 protected:
     unsigned m_nextTextureId;
     Attributes m_attrs;
+    bool m_contextLost;
+    WebGraphicsContextLostCallback* m_contextLostCallback;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_WEB_GRAPHICS_CONTEXT_3D_H_