webview: will-navigate and page-favicon-set navigation events

docs/api/browser-window.md

@@ -662,6 +662,13 @@ Emitted when details regarding a requested resource is available.
 
 Emitted when a redirect was received while requesting a resource.
 
+### Event: 'page-favicon-set'
+
+* `event` Event
+* `favicons` [String]
+
+Emitted when page receives favicon urls.
+
 ### Event: 'new-window'
 
 * `event` Event

docs/api/web-view-tag.md

@@ -275,6 +275,13 @@ examples.
 
 ## DOM events
 
+### will-navigate
+
+* `url` String
+
+Fired when view is about to navigate , calling `event.preventDefault()` will
+cancel the navigation.
+
 ### did-finish-load
 
 Fired when the navigation is done, i.e. the spinner of the tab will stop
@@ -330,6 +337,12 @@ Fired when a redirect was received while requesting a resource.
 Fired when page title is set during navigation. `explicitSet` is false when title is synthesised from file
 url.
 
+### page-favicon-set
+
+* `favicons` [String]
+
+Fired when page receives favicon urls.
+
 ### console-message
 
 * `level` Integer