Implement the grab/grabbing cursors (for Mac/GTK)....

webkit/glue/webcursor_gtk.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "webkit/glue/webcursor.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
@@ skipping 134 matching lines @@
 // See comment above |GetInvisibleCustomCursor()|.
 #if !GTK_CHECK_VERSION(2, 16, 0)
       return GDK_CURSOR_IS_PIXMAP;
 #else
       return GDK_BLANK_CURSOR;
 #endif
     case WebCursorInfo::TypeNotAllowed:
       NOTIMPLEMENTED(); return GDK_LAST_CURSOR;
     case WebCursorInfo::TypeZoomIn:
     case WebCursorInfo::TypeZoomOut:
+    case WebCursorInfo::TypeGrab:
+    case WebCursorInfo::TypeGrabbing:
     case WebCursorInfo::TypeCustom:
       return GDK_CURSOR_IS_PIXMAP;
   }
   NOTREACHED();
   return GDK_LAST_CURSOR;
 }
 
 gfx::NativeCursor WebCursor::GetNativeCursor() {
   int type = GetCursorType();
   if (type == GDK_CURSOR_IS_PIXMAP)
     return GetCustomCursor();
   return gfx::GetCursor(type);
 }
 
 GdkCursor* WebCursor::GetCustomCursor() {
   switch (type_) {
 // See comment above |GetInvisibleCustomCursor()|.
 #if !GTK_CHECK_VERSION(2, 16, 0)
     case WebCursorInfo::TypeNone:
       return GetInvisibleCustomCursor();
 #endif
     case WebCursorInfo::TypeZoomIn:
       return GetInlineCustomCursor(CustomCursorZoomIn);
     case WebCursorInfo::TypeZoomOut:
       return GetInlineCustomCursor(CustomCursorZoomOut);
+    case WebCursorInfo::TypeGrab:
+      return GetInlineCustomCursor(CustomCursorGrab);
+    case WebCursorInfo::TypeGrabbing:
+      return GetInlineCustomCursor(CustomCursorGrabbing);
   }
 
   if (type_ != WebCursorInfo::TypeCustom) {
     NOTREACHED();
     return NULL;
   }
 
   SkBitmap bitmap;
   bitmap.setConfig(SkBitmap::kARGB_8888_Config,
                    custom_size_.width(), custom_size_.height());
@@ skipping 37 matching lines @@
     unref_ = NULL;
   }
   return;
 }
 
 void WebCursor::CopyPlatformData(const WebCursor& other) {
   if (other.unref_)
     unref_ = gdk_cursor_ref(other.unref_);
   return;
 }