--- qt-everywhere-src-6.9.3.old/qtwebengine/src/3rdparty/chromium/media/mojo/services/webrtc_video_perf_history.cc
+++ qt-everywhere-src-6.9.3/qtwebengine/src/3rdparty/chromium/media/mojo/services/webrtc_video_perf_history.cc
@@ -23,6 +23,8 @@
 #include "media/capabilities/bucket_utility.h"
 #include "media/mojo/mojom/media_types.mojom.h"
 
+using namespace std;
+
 namespace media {
 
 namespace {
--- qt-everywhere-src-6.9.3.old/qtwebengine/src/3rdparty/chromium/third_party/perfetto/src/trace_processor/db/column/utils.cc
+++ qt-everywhere-src-6.9.3/qtwebengine/src/3rdparty/chromium/third_party/perfetto/src/trace_processor/db/column/utils.cc
@@ -50,12 +50,12 @@
 
     case FilterOp::kLe:
     case FilterOp::kGt:
-      *sql_val = SqlValue::Long(static_cast<int64_t>(std::floor(double_val)));
+      *sql_val = SqlValue::Long(static_cast<int64_t>(floor(double_val)));
       return SearchValidationResult::kOk;
 
     case FilterOp::kLt:
     case FilterOp::kGe:
-      *sql_val = SqlValue::Long(static_cast<int64_t>(std::ceil(double_val)));
+      *sql_val = SqlValue::Long(static_cast<int64_t>(ceil(double_val)));
       return SearchValidationResult::kOk;
 
     case FilterOp::kIsNotNull: