content: Split web_drag_dest_gtk.cc into chrome/ and content/ parts.

chrome/browser/ui/gtk/gtk_util.h

Index: chrome/browser/ui/gtk/gtk_util.h
diff --git a/chrome/browser/ui/gtk/gtk_util.h b/chrome/browser/ui/gtk/gtk_util.h
index 7cfcfe23d74341c229587ecb9f42188ae9657506..6febcc44637df741fef87dfc9cc90268402c19a3 100644
--- a/chrome/browser/ui/gtk/gtk_util.h
+++ b/chrome/browser/ui/gtk/gtk_util.h
@@ -11,7 +11,6 @@
 #include <vector>
 
 #include "base/string16.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
@@ -134,9 +133,6 @@ void ConvertWidgetPointToScreen(GtkWidget* widget, gfx::Point* p);
 GtkWidget* CenterWidgetInHBox(GtkWidget* hbox, GtkWidget* widget,
                               bool pack_at_end, int padding);
 
-// Returns true if the screen is composited, false otherwise.
-bool IsScreenComposited();
-
 // Enumerates the top-level gdk windows of the current display.
 void EnumerateTopLevelWindows(ui::EnumerateWindowsDelegate* delegate);
 
@@ -197,12 +193,6 @@ GtkWidget* IndentWidget(GtkWidget* content);
 // renderers) based on GtkSettings (which itself comes from XSETTINGS).
 void UpdateGtkFontSettings(RendererPreferences* prefs);
 
-// Get the current location of the mouse cursor relative to the screen.
-gfx::Point ScreenPoint(GtkWidget* widget);
-
-// Get the current location of the mouse cursor relative to the widget.
-gfx::Point ClientPoint(GtkWidget* widget);
-
 // Reverses a point in RTL mode. Used in making vectors of GdkPoints for window
 // shapes.
 GdkPoint MakeBidiGdkPoint(gint x, gint y, gint width, bool ltr);
@@ -329,11 +319,6 @@ void SetLabelWidth(GtkWidget* label, int pixel_width);
 // to make sure the pango can get correct font information for the calculation.
 void InitLabelSizeRequestAndEllipsizeMode(GtkWidget* label);
 
-// Convenience methods for converting between web drag operations and the GDK
-// equivalent.
-GdkDragAction WebDragOpToGdkDragAction(WebKit::WebDragOperationsMask op);
-WebKit::WebDragOperationsMask GdkDragActionToWebDragOp(GdkDragAction action);
-
 // A helper function for gtk_message_dialog_new() to work around a few KDE 3
 // window manager bugs. You should always call it after creating a dialog with
 // gtk_message_dialog_new.