"Redirecting URLs to Packaged Apps" implementation: revised

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index ef9c3fc04d9a306ee5b4af59a4784042814afd79..df31926a55e81079732c13c041440eb6256a0025 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -80,6 +80,9 @@
 #include "ppapi/c/private/ppb_nacl_private.h"
 #include "ppapi/c/private/ppb_pdf.h"
 #include "ppapi/shared_impl/ppapi_switches.h"
+#include "third_party/WebKit/public/platform/WebURL.h"
+#include "third_party/WebKit/public/platform/WebURLError.h"
+#include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
@@ -89,9 +92,7 @@
 #include "third_party/WebKit/public/web/WebPluginParams.h"
 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
-#include "third_party/WebKit/public/platform/WebURL.h"
-#include "third_party/WebKit/public/platform/WebURLError.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
+#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
@@ -924,6 +925,22 @@ bool ChromeContentRendererClient::AllowPopup() {
        extensions::Feature::CONTENT_SCRIPT_CONTEXT);
 }
 
+// For top-level navigations, tries to find a platform app that has registered
+// a URL handler matching the URL. If found, delegates further URL processing
+// to the browser (the browser is supposed to launch the app), and returns true
+// to cancel navigation on the renderer side. Otherwise, returns false.
+bool ChromeContentRendererClient::HandleNavigation(
+    WebKit::WebFrame* frame,
+    const WebKit::WebURLRequest& request,
+    WebKit::WebNavigationType type,
+    WebKit::WebNavigationPolicy default_policy,
+    bool is_redirect) {
+  return extension_dispatcher_->MaybeRedirectUrlToApp(frame,
+                                                      request,
+                                                      type,
+                                                      default_policy);
+}
+
 bool ChromeContentRendererClient::ShouldFork(WebFrame* frame,
                                              const GURL& url,
                                              const std::string& http_method,