Add minimal webrtcdesktopcapture api for hangout services extension

The hangout services extension is required for meet.google.com.

The extension is only able to capture the primary screen without audio
with this fix.

Change-Id: Ic5563ebe4e0b8f1e8bfa83ca0830f180281a1f8c
Fixes: QTBUG-85731
Task-number: QTBUG-51185
Task-number: QTBUG-61676
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 41 insertions, 0 deletions

diff --git a/chromium/qtwebengine/common/extensions/api/BUILD.gn b/chromium/qtwebengine/common/extensions/api/BUILD.gn
new file mode 100644
index 00000000000..92bcdcd5ae8
--- /dev/null
+++ b/chromium/qtwebengine/common/extensions/api/BUILD.gn
@@ -0,0 +1,41 @@
+import("//extensions/buildflags/buildflags.gni")
+import("//tools/json_schema_compiler/json_features.gni")
+import("//tools/json_schema_compiler/json_schema_api.gni")
+import("//qtwebengine/common/extensions/api/schema.gni")
+
+assert(enable_extensions)
+
+################################################################################
+# Public Targets
+
+group("api") {
+  public_deps = [
+    ":generated_api_json_strings",
+    ":generated_api_types",
+  ]
+}
+
+################################################################################
+# Private Targets
+
+generated_json_strings("generated_api_json_strings") {
+  sources = webengine_extensions_api_schema_files
+
+  bundle_name = "QtWebEngine"
+  root_namespace = webengine_extensions_api_root_namespace
+
+  deps = [ "//extensions/common/api" ]
+
+  visibility = [ ":api" ]
+}
+
+generated_types("generated_api_types") {
+  sources = webengine_extensions_api_schema_files
+
+  root_namespace = webengine_extensions_api_root_namespace
+
+  deps = [ "//extensions/common/api" ]
+
+  visibility = [ ":api" ]
+}
+