Factor out uses of WebContentsModalDialog interface functions from WebContentsModalDialogManager

chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc

Index: chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc
diff --git a/chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc b/chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc
index 3dfbb0959e2ccc48f1100db20c7360670bddaad6..74fcbedefe36534ec8a9a34269a5ca708157acc4 100644
--- a/chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc
+++ b/chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc
@@ -2,10 +2,57 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "chrome/browser/ui/gtk/constrained_window_gtk.h"
+#include "chrome/browser/ui/native_web_contents_modal_dialog_manager.h"
 #include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
 
+namespace {
+
+class NativeWebContentsModalDialogManagerGtk
+    : public NativeWebContentsModalDialogManager {
+ public:
+  NativeWebContentsModalDialogManagerGtk() {
+  }
+
+  virtual ~NativeWebContentsModalDialogManagerGtk() {
+  }
+
+  // NativeWebContentsModalDialogManager overrides
+  virtual void ManageDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
+  }
+
+  virtual void ShowDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
+    GetConstrainedWindowGtk(dialog)->ShowWebContentsModalDialog();
+  }
+
+  virtual void CloseDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
+    GetConstrainedWindowGtk(dialog)->CloseWebContentsModalDialog();
+  }
+
+  virtual void FocusDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
+    GetConstrainedWindowGtk(dialog)->FocusWebContentsModalDialog();
+  }
+
+  virtual void PulseDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
+    GetConstrainedWindowGtk(dialog)->PulseWebContentsModalDialog();
+  }
+
+ private:
+  ConstrainedWindowGtk* GetConstrainedWindowGtk(
+      NativeWebContentsModalDialog dialog) {
+    gpointer constrained_window_gtk =
+        g_object_get_data(G_OBJECT(dialog), "ConstrainedWindowGtk");
+    DCHECK(constrained_window_gtk);
+    return static_cast<ConstrainedWindowGtk*>(constrained_window_gtk);
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManagerGtk);
+};
+
+}  // namespace
+
 NativeWebContentsModalDialogManager*
     WebContentsModalDialogManager::CreateNativeManager(
         NativeWebContentsModalDialogManagerDelegate* native_delegate) {
-  return NULL;
+  return new NativeWebContentsModalDialogManagerGtk;
 }