Revert "[GStreamer] Ensure GStreamer is initialized before using the Quirks"

This reverts commit dd19f4d.

Author: vivienne-w

Source/WebCore/platform/graphics/gstreamer/GStreamerCommon.cpp

@@ -347,22 +347,6 @@ Vector<String> extractGStreamerOptionsFromCommandLine()
     return options;
 }
 
-bool ensureGStreamerInitializedNonWebProcess()
-{
-    RELEASE_ASSERT(!isInWebProcess());
-
-    static std::once_flag onceFlag;
-    static bool isGStreamerInitialized;
-    std::call_once(onceFlag, [] {
-        GUniqueOutPtr<GError> error;
-        isGStreamerInitialized = gst_init_check(nullptr, nullptr, &error.outPtr());
-        ASSERT_WITH_MESSAGE(isGStreamerInitialized, "GStreamer initialization failed: %s", error ? error->message : "unknown error occurred");
-        GST_DEBUG_CATEGORY_INIT(webkit_gst_common_debug, "webkitcommon", 0, "WebKit Common utilities");
-    });
-
-    return isGStreamerInitialized;
-}
-
 bool ensureGStreamerInitialized()
 {
     // WARNING: Please note this function can be called from any thread, for instance when creating

Source/WebCore/platform/graphics/gstreamer/GStreamerCommon.h

@@ -80,7 +80,6 @@ bool doCapsHaveType(const GstCaps*, const char*);
 bool areEncryptedCaps(const GstCaps*);
 Vector<String> extractGStreamerOptionsFromCommandLine();
 void setGStreamerOptionsFromUIProcess(Vector<String>&&);
-bool ensureGStreamerInitializedNonWebProcess();
 bool ensureGStreamerInitialized();
 void registerWebKitGStreamerElements();
 void registerWebKitGStreamerVideoEncoder();

Source/WebCore/platform/graphics/gstreamer/GStreamerRegistryScanner.cpp

@@ -362,7 +362,7 @@ GStreamerRegistryScanner::GStreamerRegistryScanner(bool isMediaSource)
     else {
         // This is still needed, mostly because of the webkit_web_view_can_show_mime_type() public API (so
         // running from UIProcess).
-        ensureGStreamerInitializedNonWebProcess();
+        gst_init(nullptr, nullptr);
     }
 
     GST_DEBUG_CATEGORY_INIT(webkit_media_gst_registry_scanner_debug, "webkitregistryscanner", 0, "WebKit GStreamer registry scanner");

Source/WebCore/platform/gstreamer/GStreamerQuirks.cpp

@@ -38,7 +38,6 @@
 #include "GStreamerQuirkWesteros.h"
 #include <wtf/NeverDestroyed.h>
 #include <wtf/OptionSet.h>
-#include <wtf/RuntimeApplicationChecks.h>
 #include <wtf/text/StringView.h>
 
 namespace WebCore {
@@ -57,12 +56,6 @@ GStreamerQuirksManager::GStreamerQuirksManager(bool isForTesting, bool loadQuirk
 {
     static std::once_flag debugRegisteredFlag;
     std::call_once(debugRegisteredFlag, [] {
-        if (isInWebProcess())
-            ensureGStreamerInitialized();
-        else
-            // This is needed, e.g. when running in NetworkProcess to determine MIME type support
-            ensureGStreamerInitializedNonWebProcess();
-
         GST_DEBUG_CATEGORY_INIT(webkit_quirks_debug, "webkitquirks", 0, "WebKit Quirks");
     });