Implement drag and drop testing in a platform independent way.

chrome/browser/ui/panels/panel_browser_view.cc

Index: chrome/browser/ui/panels/panel_browser_view.cc
diff --git a/chrome/browser/ui/panels/panel_browser_view.cc b/chrome/browser/ui/panels/panel_browser_view.cc
index 748a4897c69915fe2417fe32322c4a6d91cc37f4..777a0f7d9472f2534575543840a6b87380529d12 100644
--- a/chrome/browser/ui/panels/panel_browser_view.cc
+++ b/chrome/browser/ui/panels/panel_browser_view.cc
@@ -309,10 +309,6 @@ void PanelBrowserView::DestroyPanelBrowser() {
   DestroyBrowser();
 }
 
-NativePanelTesting* PanelBrowserView::GetNativePanelTesting() {
-  return this;
-}
-
 PanelBrowserFrameView* PanelBrowserView::GetFrameView() const {
   return static_cast<PanelBrowserFrameView*>(frame()->GetFrameView());
 }
@@ -377,3 +373,57 @@ bool PanelBrowserView::EndDragging(bool cancelled) {
   panel_->manager()->EndDragging(cancelled);
   return true;
 }
+
+// NativePanelTesting implementation.
+class NativePanelTestingWin : public NativePanelTesting {
+ public:
+  explicit NativePanelTestingWin(PanelBrowserView* panel_browser_view);
+
+ private:
+  virtual void PressLeftMouseButtonTitlebar(gfx::Point point) OVERRIDE;
+  virtual void ReleaseMouseButtonTitlebar() OVERRIDE;
+  virtual void DragTitlebar(int delta_x, int delta_y) OVERRIDE;
+  virtual void CancelDragTitlebar() OVERRIDE;
+  virtual void FinishDragTitlebar() OVERRIDE;
+
+  PanelBrowserView* panel_browser_view_;
+};
+
+NativePanelTesting* NativePanelTesting::Create(NativePanel* native_panel) {
+  return new NativePanelTestingWin(static_cast<PanelBrowserView*>(
+      native_panel));
+}
+
+NativePanelTestingWin::NativePanelTestingWin(
+    PanelBrowserView* panel_browser_view) :
+    panel_browser_view_(panel_browser_view) {
+}
+
+void NativePanelTestingWin::PressLeftMouseButtonTitlebar(gfx::Point point) {
+  views::MouseEvent pressed(ui::ET_MOUSE_PRESSED, point.x(), point.y(),
+                            ui::EF_LEFT_BUTTON_DOWN);
+  panel_browser_view_->OnTitleBarMousePressed(pressed);
+}
+
+void NativePanelTestingWin::ReleaseMouseButtonTitlebar() {
+  views::MouseEvent released(ui::ET_MOUSE_RELEASED, 0, 0, 0);
+  panel_browser_view_->OnTitleBarMouseReleased(released);
+}
+
+void NativePanelTestingWin::DragTitlebar(int delta_x, int delta_y) {
+  gfx::Rect current_bounds = panel_browser_view_->GetRestoredBounds();
+  views::MouseEvent dragged(ui::ET_MOUSE_DRAGGED,
+                            current_bounds.x() + delta_x,
+                            current_bounds.y() + delta_y,
+                            ui::EF_LEFT_BUTTON_DOWN);
+  panel_browser_view_->OnTitleBarMouseDragged(dragged);
+}
+
+void NativePanelTestingWin::CancelDragTitlebar() {
+  panel_browser_view_->OnTitleBarMouseCaptureLost();
+}
+
+void NativePanelTestingWin::FinishDragTitlebar() {
+  views::MouseEvent released(ui::ET_MOUSE_RELEASED, 0, 0, 0);
+  panel_browser_view_->OnTitleBarMouseReleased(released);
+}