Pass in extra parameters to WebApkBuilder#buildWebApkAsync()

content/renderer/manifest/manifest_manager.h

Index: content/renderer/manifest/manifest_manager.h
diff --git a/content/renderer/manifest/manifest_manager.h b/content/renderer/manifest/manifest_manager.h
index 554617cdcbea098623ed78a86be8d3704bd8df4b..2c62a9ea2f298732b38f554187c38040031c4957 100644
--- a/content/renderer/manifest/manifest_manager.h
+++ b/content/renderer/manifest/manifest_manager.h
@@ -32,7 +32,8 @@ class ManifestFetcher;
 // GetManifest().
 class ManifestManager : public RenderFrameObserver {
  public:
-  typedef base::Callback<void(const Manifest&,
+  typedef base::Callback<void(const GURL&,
+                              const Manifest&,
                               const ManifestDebugInfo&)> GetManifestCallback;
 
   explicit ManifestManager(RenderFrame* render_frame);
@@ -62,6 +63,7 @@ class ManifestManager : public RenderFrameObserver {
   void OnHasManifest(int request_id);
   void OnRequestManifest(int request_id);
   void OnRequestManifestComplete(int request_id,
+                                 const GURL&,
                                  const Manifest&,
                                  const ManifestDebugInfo&);
 
@@ -85,6 +87,9 @@ class ManifestManager : public RenderFrameObserver {
   // Current Manifest. Might be outdated if manifest_dirty_ is true.
   Manifest manifest_;
 
+  // The URL of the current manifest.
+  GURL manifest_url_;
+
   // Current Manifest debug information.
   ManifestDebugInfo manifest_debug_info_;