Move NativeWebKeyboardEvent to the content namespace.

content/browser/renderer_host/gtk_im_context_wrapper.h

Index: content/browser/renderer_host/gtk_im_context_wrapper.h
===================================================================
--- content/browser/renderer_host/gtk_im_context_wrapper.h	(revision 137859)
+++ content/browser/renderer_host/gtk_im_context_wrapper.h	(working copy)
@@ -17,15 +17,18 @@
 #include "ui/base/ime/composition_text.h"
 #include "ui/base/ime/text_input_type.h"
 
+class RenderWidgetHostViewGtk;
+typedef struct _GtkIMContext GtkIMContext;
+typedef struct _GtkWidget GtkWidget;
+
+namespace content {
+struct NativeWebKeyboardEvent;
+}
+
 namespace gfx {
 class Rect;
 }
 
-class RenderWidgetHostViewGtk;
-struct NativeWebKeyboardEvent;
-typedef struct _GtkIMContext GtkIMContext;
-typedef struct _GtkWidget GtkWidget;
-
 // This class is a convenience wrapper for GtkIMContext.
 // It creates and manages two GtkIMContext instances, one is GtkIMMulticontext,
 // for plain text input box, another is GtkIMContextSimple, for password input
@@ -66,8 +69,8 @@
   // Check if the input method returned any result, eg. preedit and commit text.
   bool HasInputMethodResult() const;
 
-  void ProcessFilteredKeyPressEvent(NativeWebKeyboardEvent* wke);
-  void ProcessUnfilteredKeyPressEvent(NativeWebKeyboardEvent* wke);
+  void ProcessFilteredKeyPressEvent(content::NativeWebKeyboardEvent* wke);
+  void ProcessUnfilteredKeyPressEvent(content::NativeWebKeyboardEvent* wke);
 
   // Processes result returned from input method after filtering a key event.
   // |filtered| indicates if the key event was filtered by the input method.