Delete the GTK+ port of Chrome.

content/browser/gpu/gpu_surface_tracker.cc

Index: content/browser/gpu/gpu_surface_tracker.cc
diff --git a/content/browser/gpu/gpu_surface_tracker.cc b/content/browser/gpu/gpu_surface_tracker.cc
index 350e6f3831c3f4077229eff8355b7c915133b03e..42ce146dd4d118eb9cd8777c23848e0570a874ae 100644
--- a/content/browser/gpu/gpu_surface_tracker.cc
+++ b/content/browser/gpu/gpu_surface_tracker.cc
@@ -10,57 +10,8 @@
 
 #include "base/logging.h"
 
-#if defined(TOOLKIT_GTK)
-#include "base/bind.h"
-#include "content/public/browser/browser_thread.h"
-#include "ui/gfx/gtk_native_view_id_manager.h"
-#endif  // defined(TOOLKIT_GTK)
-
 namespace content {
 
-namespace {
-#if defined(TOOLKIT_GTK)
-
-void ReleasePermanentXIDDispatcher(
-    const gfx::PluginWindowHandle& surface) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance();
-  manager->ReleasePermanentXID(surface);
-}
-
-// Implementation of SurfaceRef that allows GTK to ref and unref the
-// surface with the GtkNativeViewManager.
-class SurfaceRefPluginWindow : public GpuSurfaceTracker::SurfaceRef {
-  public:
-   SurfaceRefPluginWindow(const gfx::PluginWindowHandle& surface_ref);
-  private:
-   virtual ~SurfaceRefPluginWindow();
-   gfx::PluginWindowHandle surface_;
-};
-
-SurfaceRefPluginWindow::SurfaceRefPluginWindow(
-    const gfx::PluginWindowHandle& surface)
-    : surface_(surface) {
-  if (surface_ != gfx::kNullPluginWindow) {
-    GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance();
-    if (!manager->AddRefPermanentXID(surface_)) {
-      LOG(ERROR) << "Surface " << surface << " cannot be referenced.";
-    }
-  }
-}
-
-SurfaceRefPluginWindow::~SurfaceRefPluginWindow() {
-  if (surface_ != gfx::kNullPluginWindow) {
-    BrowserThread::PostTask(BrowserThread::UI,
-                            FROM_HERE,
-                            base::Bind(&ReleasePermanentXIDDispatcher,
-                                       surface_));
-  }
-}
-#endif  // defined(TOOLKIT_GTK)
-}  // anonymous
-
 GpuSurfaceTracker::GpuSurfaceTracker()
     : next_surface_id_(1) {
   GpuSurfaceLookup::InitInstance(this);
@@ -134,9 +85,6 @@ void GpuSurfaceTracker::SetSurfaceHandle(int surface_id,
   DCHECK(surface_map_.find(surface_id) != surface_map_.end());
   SurfaceInfo& info = surface_map_[surface_id];
   info.handle = handle;
-#if defined(TOOLKIT_GTK)
-  info.surface_ref = new SurfaceRefPluginWindow(handle.handle);
-#endif  // defined(TOOLKIT_GTK)
 }
 
 gfx::GLSurfaceHandle GpuSurfaceTracker::GetSurfaceHandle(int surface_id) {