win: Make web view focused initialy.

browser/native_window_win.cc

@@ -439,6 +439,10 @@ void NativeWindowWin::DeleteDelegate() {
   // Do nothing, window is managed by users.
 }
 
+views::View* NativeWindowWin::GetInitiallyFocusedView() {
+  return web_view_;
+}
+
 bool NativeWindowWin::CanResize() const {
   return resizable_;
 }

browser/native_window_win.h

@@ -92,6 +92,7 @@ class NativeWindowWin : public NativeWindow,
 
   // Overridden from views::WidgetDelegate:
   virtual void DeleteDelegate() OVERRIDE;
+  virtual views::View* GetInitiallyFocusedView() OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
   virtual string16 GetWindowTitle() const OVERRIDE;