cros: CustomFrameViewAsh avatar icon from a window prop

ash/shell/shell_delegate_impl.cc

Index: ash/shell/shell_delegate_impl.cc
diff --git a/ash/shell/shell_delegate_impl.cc b/ash/shell/shell_delegate_impl.cc
index e9112bac622fa58e48c0fb014306e3919a763860..6958fe8310feb8140f4e8544622b1b9149af4500 100644
--- a/ash/shell/shell_delegate_impl.cc
+++ b/ash/shell/shell_delegate_impl.cc
@@ -10,7 +10,6 @@
 #include "ash/gpu_support_stub.h"
 #include "ash/palette_delegate.h"
 #include "ash/public/cpp/shell_window_ids.h"
-#include "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell/context_menu.h"
 #include "ash/shell/example_factory.h"
@@ -59,27 +58,6 @@ class PaletteDelegateImpl : public PaletteDelegate {
   DISALLOW_COPY_AND_ASSIGN(PaletteDelegateImpl);
 };
 
-class SessionStateDelegateImpl : public SessionStateDelegate {
- public:
-  SessionStateDelegateImpl() : user_info_(new user_manager::UserInfoImpl()) {}
-
-  ~SessionStateDelegateImpl() override {}
-
-  // SessionStateDelegate:
-  bool ShouldShowAvatar(WmWindow* window) const override {
-    return !user_info_->GetImage().isNull();
-  }
-  gfx::ImageSkia GetAvatarImageForWindow(WmWindow* window) const override {
-    return gfx::ImageSkia();
-  }
-
- private:
-  // A pseudo user info.
-  std::unique_ptr<user_manager::UserInfo> user_info_;
-
-  DISALLOW_COPY_AND_ASSIGN(SessionStateDelegateImpl);
-};
-
 }  // namespace
 
 ShellDelegateImpl::ShellDelegateImpl() {}
@@ -137,10 +115,6 @@ ShellDelegateImpl::CreateWallpaperDelegate() {
   return base::MakeUnique<DefaultWallpaperDelegate>();
 }
 
-SessionStateDelegate* ShellDelegateImpl::CreateSessionStateDelegate() {
-  return new SessionStateDelegateImpl;
-}
-
 AccessibilityDelegate* ShellDelegateImpl::CreateAccessibilityDelegate() {
   return new DefaultAccessibilityDelegate;
 }