Cherry-pick 276537@main (f7de50f). https://bugs.webkit.org/show_bug.c…

…gi?id=270979

    [WPE] Build broken when building with libdrm disabled
    https://bugs.webkit.org/show_bug.cgi?id=270979

    Reviewed by Carlos Garcia Campos.

    Use GBM resources only if USE(GBM) is enabled.

    * Source/WebCore/platform/graphics/PlatformDisplay.cpp:
    (WebCore::PlatformDisplay::createPlatformDisplay):

    Canonical link: https://commits.webkit.org/276537@main

Source/WebCore/platform/graphics/PlatformDisplay.cpp

@@ -163,10 +163,12 @@ std::unique_ptr<PlatformDisplay> PlatformDisplay::createPlatformDisplay()
 
 #if PLATFORM(WPE)
     if (s_useDMABufForRendering) {
+#if USE(GBM)
         if (GBMDevice::singleton().isInitialized()) {
             if (auto* device = GBMDevice::singleton().device())
                 return PlatformDisplayGBM::create(device);
         }
+#endif
         return PlatformDisplaySurfaceless::create();
     }
 #endif