GTK: Cache our GdkCursor objects, since building them hits the disk.

chrome/browser/renderer_host/render_widget_host_view_gtk.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with URLRequestStatus::Status.
 #include "chrome/common/render_messages.h"
 
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkkeysyms.h>
 #include <gdk/gdkx.h>
 #include <cairo/cairo.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/gfx/gtk_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/task.h"
 #include "base/time.h"
+#include "chrome/common/gtk_util.h"
 #include "chrome/common/native_web_keyboard_event.h"
 #include "chrome/common/x11_util.h"
 #include "chrome/browser/renderer_host/backing_store.h"
 #include "chrome/browser/renderer_host/gtk_im_context_wrapper.h"
 #include "chrome/browser/renderer_host/gtk_key_bindings_handler.h"
 #include "chrome/browser/renderer_host/render_widget_host.h"
 #include "webkit/api/public/gtk/WebInputEventFactory.h"
 #include "webkit/glue/webcursor_gtk_data.h"
 
 static const int kMaxWindowWidth = 4000;
@@ skipping 563 matching lines @@
             gdk_bitmap_create_from_data(NULL, moz_spinning_mask_bits, 32, 32);
         gdk_cursor = gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 2, 2);
         g_object_unref(source);
         g_object_unref(mask);
       } else {
         gdk_cursor = NULL;
       }
       break;
 
     default:
-      gdk_cursor = gdk_cursor_new(current_cursor_.GetCursorType());
+      gdk_cursor = gtk_util::GetCursor(current_cursor_.GetCursorType());
   }
   gdk_window_set_cursor(view_.get()->window, gdk_cursor);
   // The window now owns the cursor.
   if (gdk_cursor)
     gdk_cursor_unref(gdk_cursor);
 }
 
 void RenderWidgetHostViewGtk::CreatePluginContainer(
     gfx::PluginWindowHandle id) {
   plugin_container_manager_.CreatePluginContainer(id);
 }
 
 void RenderWidgetHostViewGtk::DestroyPluginContainer(
     gfx::PluginWindowHandle id) {
   plugin_container_manager_.DestroyPluginContainer(id);
 }
 
 void RenderWidgetHostViewGtk::ForwardKeyboardEvent(
     const NativeWebKeyboardEvent& event) {
   EditCommands edit_commands;
   if (key_bindings_handler_->Match(event, &edit_commands)) {
     host_->ForwardEditCommandsForNextKeyEvent(edit_commands);
   }
   host_->ForwardKeyboardEvent(event);
 }