Coalesce event router Init calls into their constructors.

chrome/browser/extensions/api/font_settings/font_settings_api.h

Index: chrome/browser/extensions/api/font_settings/font_settings_api.h
diff --git a/chrome/browser/extensions/api/font_settings/font_settings_api.h b/chrome/browser/extensions/api/font_settings/font_settings_api.h
index 266b9627175b56da6ee4486632769758e8441258..a81c7a9dc2a025979e789459ebc5bc76eb1169d6 100644
--- a/chrome/browser/extensions/api/font_settings/font_settings_api.h
+++ b/chrome/browser/extensions/api/font_settings/font_settings_api.h
@@ -25,15 +25,10 @@ class FontSettingsEventRouter : public PrefObserver {
  public:
   // Constructor for observing pref changed events on |profile|. Stores a
   // pointer to |profile| but does not take ownership. |profile| must be
-  // non-NULL and remain alive for the lifetime of the instance. Init() must be
-  // called to start observing pref changed events.
+  // non-NULL and remain alive for the lifetime of the instance.
   explicit FontSettingsEventRouter(Profile* profile);
   virtual ~FontSettingsEventRouter();
 
-  // Starts observing pref changed events on the profile. Must not be called
-  // more than once.
-  void Init();
-
  private:
   typedef std::pair<std::string, std::string> EventAndKeyPair;
   // Map of pref name to a pair of event name and key (defined in the extension