clang/win: Enable -Wswitch.

content/child/npapi/webplugin_delegate_impl_win.cc

 // Copyright (c) 2012 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 "content/child/npapi/webplugin_delegate_impl.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 1074 matching lines @@
   focus_event.event = focused ? WM_SETFOCUS : WM_KILLFOCUS;
   focus_event.wParam = 0;
   focus_event.lParam = 0;
 
   instance()->NPP_HandleEvent(&focus_event);
   return true;
 }
 
 static bool NPEventFromWebMouseEvent(const WebMouseEvent& event,
                                      NPEvent* np_event) {
-  np_event->lParam = static_cast<uint32>(MAKELPARAM(event.windowX,
-                                                   event.windowY));
+  np_event->lParam =
+      static_cast<uint32>(MAKELPARAM(event.windowX, event.windowY));
   np_event->wParam = 0;
 
   if (event.modifiers & WebInputEvent::ControlKey)
     np_event->wParam |= MK_CONTROL;
   if (event.modifiers & WebInputEvent::ShiftKey)
     np_event->wParam |= MK_SHIFT;
   if (event.modifiers & WebInputEvent::LeftButtonDown)
     np_event->wParam |= MK_LBUTTON;
   if (event.modifiers & WebInputEvent::MiddleButtonDown)
     np_event->wParam |= MK_MBUTTON;
@@ skipping 10 matching lines @@
       switch (event.button) {
         case WebMouseEvent::ButtonLeft:
           np_event->event = WM_LBUTTONDOWN;
           break;
         case WebMouseEvent::ButtonMiddle:
           np_event->event = WM_MBUTTONDOWN;
           break;
         case WebMouseEvent::ButtonRight:
           np_event->event = WM_RBUTTONDOWN;
           break;
+        case WebMouseEvent::ButtonNone:
+          break;
       }
       return true;
     case WebInputEvent::MouseUp:
       switch (event.button) {
         case WebMouseEvent::ButtonLeft:
           np_event->event = WM_LBUTTONUP;
           break;
         case WebMouseEvent::ButtonMiddle:
           np_event->event = WM_MBUTTONUP;
           break;
         case WebMouseEvent::ButtonRight:
           np_event->event = WM_RBUTTONUP;
           break;
+        case WebMouseEvent::ButtonNone:
+          break;
       }
       return true;
     default:
       NOTREACHED();
       return false;
   }
 }
 
 static bool NPEventFromWebKeyboardEvent(const WebKeyboardEvent& event,
                                         NPEvent* np_event) {
@@ skipping 329 matching lines @@
     case WM_RBUTTONUP:
       ::ReleaseCapture();
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace content