ifdef extensions bits in ContentSettingsObserver.

chrome/renderer/content_settings_observer.h

Index: chrome/renderer/content_settings_observer.h
diff --git a/chrome/renderer/content_settings_observer.h b/chrome/renderer/content_settings_observer.h
index ba7296116ecede199031f9dd723209818b7ddba5..1c795007ba72966892661268f438cfdb54c86e05 100644
--- a/chrome/renderer/content_settings_observer.h
+++ b/chrome/renderer/content_settings_observer.h
@@ -12,7 +12,6 @@
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
-#include "extensions/common/permissions/api_permission.h"
 #include "third_party/WebKit/public/web/WebPermissionClient.h"
 
 class GURL;
@@ -104,11 +103,17 @@ class ContentSettingsObserver
   // Resets the |content_blocked_| array.
   void ClearBlockedContentSettings();
 
+  // Whether the observed RenderFrame is for a platform app.
+  bool IsPlatformApp();
+
+#if defined(ENABLE_EXTENSIONS)
   // If |origin| corresponds to an installed extension, returns that extension.
   // Otherwise returns NULL.
   const extensions::Extension* GetExtension(
       const blink::WebSecurityOrigin& origin) const;
 
+#endif
+
   // Helpers.
   // True if |frame| contains content that is white-listed for content settings.
   static bool IsWhitelistedForContentSettings(content::RenderFrame* frame);
@@ -116,8 +121,10 @@ class ContentSettingsObserver
       const blink::WebSecurityOrigin& origin,
       const GURL& document_url);
 
+#if defined(ENABLE_EXTENSIONS)
   // Owned by ChromeContentRendererClient and outlive us.
   extensions::Dispatcher* extension_dispatcher_;
+#endif
 
   // Insecure content may be permitted for the duration of this render view.
   bool allow_displaying_insecure_content_;