Remove unused calls on WebGraphicsContext3D

public/platform/WebGraphicsContext3D.h

Index: public/platform/WebGraphicsContext3D.h
diff --git a/public/platform/WebGraphicsContext3D.h b/public/platform/WebGraphicsContext3D.h
index 7d2a7768cf675df290b23e8ad110087add6f81ef..7d77a3adf820e5a3691cebf35a10bdc3979227c4 100644
--- a/public/platform/WebGraphicsContext3D.h
+++ b/public/platform/WebGraphicsContext3D.h
@@ -163,13 +163,7 @@ public:
     // the ID number, the more recently the context has been flushed.
     virtual uint32_t lastFlushID() { return 0; }
 
-    // The size of the region into which this WebGraphicsContext3D is rendering.
-    // Returns the last values passed to reshape().
-    virtual int width() = 0;
-    virtual int height() = 0;
-
     // Resizes the region into which this WebGraphicsContext3D is drawing.
-    virtual void reshape(int width, int height) = 0;
     virtual void reshapeWithScaleFactor(int width, int height, float scaleFactor) { }
 
     // GL_CHROMIUM_setVisibility - Changes the visibility of the backbuffer