Remove some dead scrolling paths and unused params

public/web/WebPluginContainer.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebPluginContainer_h
 #define WebPluginContainer_h
 
 #include "../platform/WebCommon.h"
 
+#define SCROLL_RECT_REQUIRES_NO_DELTA 1
+
 struct NPObject;
 
 namespace blink {
 
 class WebElement;
 class WebPlugin;
 class WebString;
 class WebURL;
 class WebURLRequest;
 class WebLayer;
 struct WebPoint;
 struct WebRect;
 
 class WebPluginContainer {
 public:
     enum TouchEventRequestType {
         TouchEventRequestTypeNone,
         TouchEventRequestTypeRaw,
         TouchEventRequestTypeSynthesizedMouse,
     };
 
     // Returns the element containing this plugin.
     virtual WebElement element() = 0;
 
     virtual void invalidate() = 0;
     virtual void invalidateRect(const WebRect&) = 0;
-    virtual void scrollRect(int dx, int dy, const WebRect&) = 0;
+    virtual void scrollRect(const WebRect&) = 0;
 
     // Causes the container to report its current geometry via
     // WebPlugin::updateGeometry.
     virtual void reportGeometry() = 0;
 
     // Allow the plugin to pass script objects to the browser. The container
     // tracks ownership of script objects in order to allow browser references
     // to them to be dropped when clearScriptObjects is called.
     virtual void allowScriptObjects() = 0;
 
@@ skipping 55 matching lines @@
     // WebPluginContainer does *not* take ownership.
     virtual void setWebLayer(WebLayer*) = 0;
 
 protected:
     ~WebPluginContainer() { }
 };
 
 } // namespace blink
 
 #endif