Remove Dashboard support and supporting files.

Source/WebCore/html/HTMLCanvasElement.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. 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.
@@ skipping 153 matching lines @@
     // before creating a new 2D context. Vice versa when requesting a WebGL canvas. Requesting a
     // context with any other type string will destroy any existing context.
     
     // FIXME - The code depends on the context not going away once created, to prevent JS from
     // seeing a dangling pointer. So for now we will disallow the context from being changed
     // once it is created.
     if (type == "2d") {
         if (m_context && !m_context->is2d())
             return 0;
         if (!m_context) {
-            bool usesDashbardCompatibilityMode = false;
-#if ENABLE(DASHBOARD_SUPPORT)
-            if (Settings* settings = document()->settings())
-                usesDashbardCompatibilityMode = settings->usesDashboardBackwardCompatibilityMode();
-#endif
-            m_context = CanvasRenderingContext2D::create(this, document()->inQuirksMode(), usesDashbardCompatibilityMode);
+            m_context = CanvasRenderingContext2D::create(this, document()->inQuirksMode());
 #if USE(IOSURFACE_CANVAS_BACKING_STORE) || (ENABLE(ACCELERATED_2D_CANVAS) && USE(ACCELERATED_COMPOSITING))
             if (m_context) {
                 // Need to make sure a RenderLayer and compositing layer get created for the Canvas
                 setNeedsStyleRecalc(SyntheticStyleChange);
             }
 #endif
         }
         return m_context.get();
     }
 #if ENABLE(WEBGL)    
@@ skipping 457 matching lines @@
     HTMLElement::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_observers, "observers");
     info.addMember(m_context, "context");
     info.addMember(m_imageBuffer, "imageBuffer");
     info.addMember(m_contextStateSaver, "contextStateSaver");
     info.addMember(m_presentedImage, "presentedImage");
     info.addMember(m_copiedImage, "copiedImage");
 }
 
 }