Cleanup blink:: prefix usage in Source/core/modules/[mediasource/*.cpp to websockets/*.cpp]

Source/modules/webdatabase/QuotaTracker.cpp

Index: Source/modules/webdatabase/QuotaTracker.cpp
diff --git a/Source/modules/webdatabase/QuotaTracker.cpp b/Source/modules/webdatabase/QuotaTracker.cpp
index 4048148a258b9e06aa80e3d77a5b2002e2a05013..74c3ec046b8221aad02b4b933b59ffa6e878e78e 100644
--- a/Source/modules/webdatabase/QuotaTracker.cpp
+++ b/Source/modules/webdatabase/QuotaTracker.cpp
@@ -47,7 +47,7 @@ void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(
     const String& originIdentifier, const String& databaseName,
     unsigned long long* databaseSize, unsigned long long* spaceAvailable)
 {
-    // Extra scope to unlock prior to potentially calling blink::Platform.
+    // Extra scope to unlock prior to potentially calling Platform.
     {
         MutexLocker lockData(m_dataGuard);
         ASSERT(m_databaseSizes.contains(originIdentifier));
@@ -62,7 +62,7 @@ void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(
     }
 
     // The embedder hasn't pushed this value to us, so we pull it as needed.
-    *spaceAvailable = blink::Platform::current()->databaseGetSpaceAvailableForOrigin(originIdentifier);
+    *spaceAvailable = Platform::current()->databaseGetSpaceAvailableForOrigin(originIdentifier);
 }
 
 void QuotaTracker::updateDatabaseSize(