22 lines
1004 B
Diff
22 lines
1004 B
Diff
diff --git chrome/browser/printing/print_backend_service_manager.cc chrome/browser/printing/print_backend_service_manager.cc
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index ea046f5f1dfe3..0a915b7e3a091 100644
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--- chrome/browser/printing/print_backend_service_manager.cc
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+++ chrome/browser/printing/print_backend_service_manager.cc
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@@ -74,7 +74,15 @@ PrintBackendServiceManager* g_print_backend_service_manager_singleton = nullptr;
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// to support modal dialogs from OOP.
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uint32_t NativeViewToUint(gfx::NativeView view) {
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#if BUILDFLAG(IS_WIN)
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- return base::win::HandleToUint32(views::HWNDForNativeView(view));
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+ // |view| will be nullptr with CEF OSR. In that case return the desktop
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+ // window handle (same behavior as PrintingContextWin::GetRootWindow) to
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+ // avoid a DCHECK in PrintingContextSystemDialogWin::AskUserForSettings
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+ // with OOP printing.
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+ HWND hwnd = views::HWNDForNativeView(view);
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+ if (!hwnd) {
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+ hwnd = ::GetDesktopWindow();
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+ }
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+ return base::win::HandleToUint32(hwnd);
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#else
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NOTREACHED();
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return 0;
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