Implement drag and drop testing in a platform independent way.

chrome/browser/ui/panels/panel_browser_view_browsertest.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 "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
@@ skipping 97 matching lines @@
     for (size_t i = 0; i < num_browser_views; ++i)
       initial_bounds[i] = browser_views[i]->panel()->GetRestoredBounds();
 
     // Trigger the mouse-pressed event.
     // All panels should remain in their original positions.
     views::MouseEvent pressed(ui::ET_MOUSE_PRESSED,
                               initial_bounds[index_to_drag].x(),
                               initial_bounds[index_to_drag].y(),
                               ui::EF_LEFT_BUTTON_DOWN);
     browser_views[index_to_drag]->OnTitleBarMousePressed(pressed);
-    gfx::Rect bounds_after_press =
-        browser_views[index_to_drag]->panel()->GetRestoredBounds();
     for (size_t i = 0; i < num_browser_views; ++i) {
       EXPECT_EQ(initial_bounds[i],
                 browser_views[i]->panel()->GetRestoredBounds());
     }
 
     // Trigger the mouse_dragged event if delta_x or delta_y is not 0.
     views::MouseEvent dragged(ui::ET_MOUSE_DRAGGED,
                               initial_bounds[index_to_drag].x() + delta_x,
                               initial_bounds[index_to_drag].y() + delta_y,
                               ui::EF_LEFT_BUTTON_DOWN);
@@ skipping 622 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, MinimizeAndRestore) {
   TestMinimizeAndRestore();
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, DrawAttention) {
   TestDrawAttention();
 }
 #endif