Fix incorrect position of Native Viewport contents on Windows

mojo/examples/window_manager/window_manager.cc

 // Copyright 2014 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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/strings/stringprintf.h"
 #include "mojo/examples/window_manager/window_manager.mojom.h"
 #include "mojo/public/cpp/application/application.h"
 #include "mojo/services/navigation/navigation.mojom.h"
@@ skipping 69 matching lines @@
     ViewManager::Create(this, this);
   }
 
     // Overridden from ViewObserver:
   virtual void OnViewInputEvent(View* view, const EventPtr& event) OVERRIDE {
     if (event->action == ui::ET_MOUSE_RELEASED) {
       if (event->flags & ui::EF_LEFT_MOUSE_BUTTON)
         CreateWindow(kEmbeddedAppURL);
       else if (event->flags & ui::EF_RIGHT_MOUSE_BUTTON)
         CreateWindow(kNestingAppURL);
-      else if (event->flags & ui::EF_MIDDLE_MOUSE_BUTTON)
-        CreateWindow(kMojoBrowserURL);
     }
   }
 
   // Overridden from ViewManagerDelegate:
   virtual void OnRootAdded(ViewManager* view_manager, Node* root) OVERRIDE {
     DCHECK(!view_manager_);
     view_manager_ = view_manager;
 
     Node* node = Node::Create(view_manager);
     view_manager->GetRoots().front()->AddChild(node);
     node->SetBounds(gfx::Rect(800, 600));
     parent_node_id_ = node->id();
 
     View* view = View::Create(view_manager);
     node->SetActiveView(view);
     view->SetColor(SK_ColorBLUE);
     view->AddObserver(this);
+
+    CreateWindow(kMojoBrowserURL);
   }
 
   void CreateWindow(const std::string& url) {
     Node* node = view_manager_->GetNodeById(parent_node_id_);
 
-    gfx::Rect bounds(50, 50, 400, 400);
+    gfx::Rect bounds(node->bounds().size());
+    bounds.Inset(25, 25);
     if (!node->children().empty()) {
       gfx::Point position = node->children().back()->bounds().origin();
-      position.Offset(50, 50);
+      position.Offset(25, 25);
       bounds.set_origin(position);
     }
 
     Node* embedded = Node::Create(view_manager_);
     node->AddChild(embedded);
     embedded->SetBounds(bounds);
     embedded->Embed(url);
 
     // TODO(aa): Is there a way to ask for an interface and test whether it
     // succeeded? That would be nicer than hard-coding the URLs that are known
@@ skipping 24 matching lines @@
 }
 
 }  // namespace examples
 
 // static
 Application* Application::Create() {
   return new examples::WindowManager;
 }
 
 }  // namespace mojo