Consolidate/cleanup event cracking code; single out GdkEvents.

views/events/event.h

Index: views/events/event.h
diff --git a/views/events/event.h b/views/events/event.h
index 4231598e4c04eae765869dd822a7d813d10a1b7b..080b46a65899b08b5569dcc74afc06e06561f030 100644
--- a/views/events/event.h
+++ b/views/events/event.h
@@ -32,11 +32,6 @@ class NativeWidgetView;
 class RootView;
 }
 
-#if defined(OS_WIN) || defined(USE_AURA)
-VIEWS_EXPORT bool IsClientMouseEvent(const views::NativeEvent& native_event);
-VIEWS_EXPORT bool IsNonClientMouseEvent(const views::NativeEvent& native_event);
-#endif
-
 ////////////////////////////////////////////////////////////////////////////////
 //
 // Event class
@@ -88,14 +83,6 @@ class VIEWS_EXPORT Event {
            type_ == ui::ET_TOUCH_CANCELLED;
   }
 
-#if defined(OS_WIN) && !defined(USE_AURA)
-  // Returns the EventFlags in terms of windows flags.
-  int GetWindowsFlags() const;
-#elif defined(OS_LINUX)
-  // Get the views::Event flags from a native GdkEvent.
-  static int GetFlagsFromGdkEvent(NativeEvent native_event);
-#endif
-
  protected:
   Event(ui::EventType type, int flags);
   Event(NativeEvent native_event, ui::EventType type, int flags);