"Redirecting URLs to Packaged Apps" implementation: revised

chrome/renderer/extensions/dispatcher.h

Index: chrome/renderer/extensions/dispatcher.h
diff --git a/chrome/renderer/extensions/dispatcher.h b/chrome/renderer/extensions/dispatcher.h
index 180007651177f1496c4acef55e6a62cee93379bf..4596b4c10f051fe7f0c6c1e451fa907b26fc00c7 100644
--- a/chrome/renderer/extensions/dispatcher.h
+++ b/chrome/renderer/extensions/dispatcher.h
@@ -20,6 +20,8 @@
 #include "content/public/renderer/render_process_observer.h"
 #include "extensions/common/event_filter.h"
 #include "extensions/common/features/feature.h"
+#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
+#include "third_party/WebKit/public/web/WebNavigationType.h"
 #include "v8/include/v8.h"
 
 class ChromeRenderViewTest;
@@ -32,6 +34,7 @@ struct ExtensionMsg_Loaded_Params;
 namespace WebKit {
 class WebFrame;
 class WebSecurityOrigin;
+class WebURLRequest;
 }
 
 namespace base {
@@ -132,6 +135,15 @@ class Dispatcher : public content::RenderProcessObserver {
       const base::ListValue& args,
       bool user_gesture);
 
+  // For top-level navigations, tries to find a platform app that has registered
+  // url_handlers matching the URL. If found, delegates further URL processing
+  // to the browser (the browser is supposed to launch the app), and returns
+  // true. Otherwise, returns false.
+  bool MaybeRedirectUrlToApp(WebKit::WebFrame* frame,
+                             const WebKit::WebURLRequest& request,
+                             WebKit::WebNavigationType type,
+                             WebKit::WebNavigationPolicy default_policy);
+
  private:
   friend class ::ChromeRenderViewTest;
   FRIEND_TEST_ALL_PREFIXES(RendererPermissionsPolicyDelegateTest,