Refactor WindowFinder definition

chrome/browser/ui/views/tabs/window_finder.h

Index: chrome/browser/ui/views/tabs/window_finder.h
diff --git a/chrome/browser/ui/views/tabs/window_finder.h b/chrome/browser/ui/views/tabs/window_finder.h
index 4ce91d50ed01aad9fa9b789755e9e2c4bbda835e..d3f9b7d48f455024c870556444d189b2411b5901 100644
--- a/chrome/browser/ui/views/tabs/window_finder.h
+++ b/chrome/browser/ui/views/tabs/window_finder.h
@@ -17,12 +17,11 @@ namespace gfx {
 class Point;
 }
 
-// Class used by the tabstrip to find chrome windows that we can attach tabs
-// to.
+// Class used by the tabstrip to find chrome windows that we can attach tabs to.
 class WindowFinder {
  public:
-  WindowFinder();
-  virtual ~WindowFinder();
+  WindowFinder() {}
+  virtual ~WindowFinder() {}
 
   // Finds the topmost visible chrome window at |screen_point|. This should
   // return nullptr if |screen_point| is in another program's window which