Consolidate OnKeyEvent and InputMethod code.

views/widget/widget_gtk.h

Index: views/widget/widget_gtk.h
diff --git a/views/widget/widget_gtk.h b/views/widget/widget_gtk.h
index 597ec58926714cf42d9ca896ddd4f8d6fc05fb95..bf8357ae2ba056180e8f03a8f4e49fff61ce6844 100644
--- a/views/widget/widget_gtk.h
+++ b/views/widget/widget_gtk.h
@@ -13,7 +13,6 @@
 #include "ui/base/x/active_window_watcher_x.h"
 #include "ui/gfx/size.h"
 #include "views/focus/focus_manager.h"
-#include "views/ime/input_method_delegate.h"
 #include "views/widget/native_widget.h"
 #include "views/widget/widget.h"
 
@@ -31,7 +30,6 @@ using ui::OSExchangeDataProviderGtk;
 namespace views {
 
 class DropTargetGtk;
-class InputMethod;
 class TooltipManagerGtk;
 class View;
 class WindowGtk;
@@ -43,8 +41,7 @@ class NativeWidgetDelegate;
 // Widget implementation for GTK.
 class WidgetGtk : public Widget,
                   public NativeWidget,
-                  public ui::ActiveWindowWatcherX::Observer,
-                  public internal::InputMethodDelegate {
+                  public ui::ActiveWindowWatcherX::Observer {
  public:
   // Type of widget.
   enum Type {
@@ -304,7 +301,7 @@ class WidgetGtk : public Widget,
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
 
   // Overridden from internal::InputMethodDelegate
-  virtual void DispatchKeyEventPostIME(const KeyEvent& key) OVERRIDE;
+  virtual bool DispatchKeyEventPostIME(const KeyEvent& key) OVERRIDE;
 
   // This is called only when the window is transparent.
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnWindowPaint, GdkEventExpose*);