Turn the Translate icon on only when the translation is succesfully done

BUG=313117
TEST=unit_tests --gtest_filter=LanguageStateTest.*

Review URL: https://codereview.chromium.org/73173007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236412 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/browser_window.h b/chrome/browser/ui/browser_window.h
index efd519ab5..69f120e 100644
--- a/chrome/browser/ui/browser_window.h
+++ b/chrome/browser/ui/browser_window.h
@@ -112,6 +112,9 @@
   // Sets the starred state for the current tab.
   virtual void SetStarredState(bool is_starred) = 0;
 
+  // Sets whether the translate icon is lit for the current tab.
+  virtual void SetTranslateIconToggled(bool is_lit) = 0;
+
   // Called when the active tab changes.  Subclasses which implement
   // TabStripModelObserver should implement this instead of ActiveTabChanged();
   // the Browser will call this method while processing that one.