[cros] Use a distinct icon for the guest session.

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index 08f28db9f048d34f48c6334ed7df81bbfef56d96..e9e958614f58c85c3e1dd2df78a68607ca4598f0 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -459,6 +459,10 @@ bool BrowserView::IsOffTheRecord() const {
   return browser_->profile()->IsOffTheRecord();
 }
 
+bool BrowserView::IsGuestSession() const {
+  return browser_->profile()->IsGuestSession();
+}
+
 bool BrowserView::ShouldShowAvatar() const {
   if (!IsBrowserTypeNormal())
     return false;
@@ -545,7 +549,7 @@ TabContentsWrapper* BrowserView::GetSelectedTabContentsWrapper() const {
   return browser_->GetSelectedTabContentsWrapper();
 }
 
-SkBitmap BrowserView::GetOTRAvatarIcon() {
+SkBitmap BrowserView::GetOTRAvatarIcon() const {
   static SkBitmap* otr_avatar_ = new SkBitmap();
 
   if (otr_avatar_->isNull()) {
@@ -555,6 +559,21 @@ SkBitmap BrowserView::GetOTRAvatarIcon() {
   return *otr_avatar_;
 }
 
+SkBitmap BrowserView::GetGuestAvatarIcon() const {
+#if defined(OS_CHROMEOS)
+  static SkBitmap* guest_avatar_ = new SkBitmap();
+
+  if (guest_avatar_->isNull()) {
+    ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+    *guest_avatar_ = *rb.GetBitmapNamed(IDR_GUEST_ICON);
+  }
+  return *guest_avatar_;
+#else
+  NOTREACHED();
+  return SkBitmap();
+#endif
+}
+
 #if defined(OS_WIN) && !defined(USE_AURA)
 void BrowserView::PrepareToRunSystemMenu(HMENU menu) {
   system_menu_->UpdateStates();