Get rid of last views dependency in RenderWidgetHostViewWin.

content/browser/renderer_host/render_widget_host_view_gtk.cc

 // 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 "content/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 net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 36 matching lines @@
 #if defined(OS_CHROMEOS)
 #include "ui/base/gtk/tooltip_window_gtk.h"
 #else
 #include "content/browser/renderer_host/gtk_key_bindings_handler.h"
 #endif  // defined(OS_CHROMEOS)
 
 namespace {
 
 const int kMaxWindowWidth = 4000;
 const int kMaxWindowHeight = 4000;
-const char* kRenderWidgetHostViewKey = "__RENDER_WIDGET_HOST_VIEW__";

[jam, 2011/08/26 22:23:37]

this code, and below, were added in r38685 for an experimental extension API
used by CEEE. that code was later removed, but not all of it. r98007 removed
some of it in this file, but not this.

 
 // The duration of the fade-out animation. See |overlay_animation_|.
 const int kFadeEffectDuration = 300;
 
 #if defined(OS_CHROMEOS)
 // TODO(davemoore) Under Chromeos we are increasing the rate that the trackpad
 // generates events to get better precisions. Eventually we will coordinate the
 // driver and this setting to ensure they match.
 const float kDefaultScrollPixelsPerTick = 20;
 #else
@@ skipping 82 matching lines @@
                      G_CALLBACK(OnCrossingEvent), host_view);
     g_signal_connect(widget, "client-event",
                      G_CALLBACK(OnClientEvent), host_view);
 
 
     // Connect after so that we are called after the handler installed by the
     // TabContentsView which handles zoom events.
     g_signal_connect_after(widget, "scroll-event",
                            G_CALLBACK(OnMouseScrollEvent), host_view);
 
-    g_object_set_data(G_OBJECT(widget), kRenderWidgetHostViewKey,
-                      static_cast<RenderWidgetHostView*>(host_view));
-
     return widget;
   }
 
  private:
   static gboolean OnExposeEvent(GtkWidget* widget,
                                 GdkEventExpose* expose,
                                 RenderWidgetHostViewGtk* host_view) {
     if (host_view->is_hidden_)
       return FALSE;
     const gfx::Rect damage_rect(expose->area);
@@ skipping 1063 matching lines @@
   last_mouse_down_ = temp;
 }
 
 // static
 void RenderWidgetHostView::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }