Add some missing ENABLE_PLUGINS ifdefs.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 3ee4b77be6534dd5f0f5d76907209ccb93614b07..db6d121b676f9dde0ebbdff02b0c230c6fe194dd 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -723,10 +723,6 @@ class CONTENT_EXPORT WebContentsImpl
                       bool success,
                       const base::string16& user_input);
 
-  // Callback function when requesting permission to access the PPAPI broker.
-  // |result| is true if permission was granted.
-  void OnPpapiBrokerPermissionResult(int routing_id, bool result);
-
   bool OnMessageReceived(RenderViewHost* render_view_host,
                          RenderFrameHost* render_frame_host,
                          const IPC::Message& message);
@@ -771,11 +767,13 @@ class CONTENT_EXPORT WebContentsImpl
   void OnOpenDateTimeDialog(
       const ViewHostMsg_DateTimeDialogValue_Params& value);
 #endif
+#if defined(ENABLE_PLUGINS)
   void OnPepperPluginHung(int plugin_child_id,
                           const base::FilePath& path,
                           bool is_hung);
   void OnPluginCrashed(const base::FilePath& plugin_path,
                        base::ProcessId plugin_pid);
+#endif
   void OnDomOperationResponse(const std::string& json_string,
                               int automation_id);
   void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy);
@@ -787,10 +785,17 @@ class CONTENT_EXPORT WebContentsImpl
   void OnWebUISend(const GURL& source_url,
                    const std::string& name,
                    const base::ListValue& args);
+#if defined(ENABLE_PLUGINS)
   void OnRequestPpapiBrokerPermission(int routing_id,
                                       const GURL& url,
                                       const base::FilePath& plugin_path);
+
+  // Callback function when requesting permission to access the PPAPI broker.
+  // |result| is true if permission was granted.
+  void OnPpapiBrokerPermissionResult(int routing_id, bool result);
+
   void OnBrowserPluginMessage(const IPC::Message& message);
+#endif  // defined(ENABLE_PLUGINS)
   void OnDidDownloadImage(int id,
                           int http_status_code,
                           const GURL& image_url,