Fix resource look-up for pdf viewer in Chromium 80

We need to be able to recognize generated resources as well.

Task-number: QTBUG-84340
Change-Id: Ib0a783a681c349c05972c0c67e2f0cf20d1c99c4
Reviewed-by: Szabolcs David <davidsz@inf.u-szeged.hu>
Reviewed-by: Peter Varga <pvarga@inf.u-szeged.hu>

1 files changed, 17 insertions, 2 deletions

diff --git a/src/core/extensions/component_extension_resource_manager_qt.cpp b/src/core/extensions/component_extension_resource_manager_qt.cpp
index bb1dd045c..1f58de151 100644
--- a/src/core/extensions/component_extension_resource_manager_qt.cpp
+++ b/src/core/extensions/component_extension_resource_manager_qt.cpp
@@ -92,12 +92,27 @@ const ui::TemplateReplacements *ComponentExtensionResourceManagerQt::GetTemplate
 
 void ComponentExtensionResourceManagerQt::AddComponentResourceEntries(const GritResourceMap *entries, size_t size)
 {
+    base::FilePath gen_folder_path = base::FilePath().AppendASCII("@out_folder@/gen/chrome/browser/resources/");
+    gen_folder_path = gen_folder_path.NormalizePathSeparators();
+
     for (size_t i = 0; i < size; ++i) {
         base::FilePath resource_path = base::FilePath().AppendASCII(entries[i].name);
         resource_path = resource_path.NormalizePathSeparators();
 
-        DCHECK(!base::Contains(path_to_resource_id_, resource_path));
-        path_to_resource_id_[resource_path] = entries[i].value;
+
+        if (!gen_folder_path.IsParent(resource_path)) {
+            DCHECK(!base::Contains(path_to_resource_id_, resource_path));
+            path_to_resource_id_[resource_path] = entries[i].value;
+        } else {
+            // If the resource is a generated file, strip the generated folder's path,
+            // so that it can be served from a normal URL (as if it were not
+            // generated).
+            base::FilePath effective_path =
+            base::FilePath().AppendASCII(resource_path.AsUTF8Unsafe().substr(
+                    gen_folder_path.value().length()));
+            DCHECK(!base::Contains(path_to_resource_id_, effective_path));
+            path_to_resource_id_[effective_path] = entries[i].value;
+        }
     }
 }