Remove dependency from infobars component to the embedder

components/infobars/core/infobar_manager.h

Index: components/infobars/core/infobar_manager.h
diff --git a/components/infobars/core/infobar_manager.h b/components/infobars/core/infobar_manager.h
index 532566ef6621e32761c1662d8050351829e1b6d1..1343221f05549d15e05cd40ea4355682268bdc32 100644
--- a/components/infobars/core/infobar_manager.h
+++ b/components/infobars/core/infobar_manager.h
@@ -18,6 +18,7 @@ class WebContents;
 namespace infobars {
 
 class InfoBar;
+struct InfoBarConstants;
 
 // Provides access to creating, removing and enumerating info bars
 // attached to a tab.
@@ -94,6 +95,9 @@ class InfoBarManager {
   // Returns the active entry ID.
   virtual int GetActiveEntryID() = 0;
 
+  // Returns the constants to use for InfoBar animations.
+  virtual const InfoBarConstants& GetInfoBarConstants() const = 0;
+
  protected:
   // Notifies the observer in |observer_list_|.
   // TODO(droger): Absorb these methods back into their callers once virtual