1 files changed, 29 insertions, 1 deletions
diff --git a/Source/WebKit2/UIProcess/gtk/WebPreferencesGtk.cpp b/Source/WebKit2/UIProcess/gtk/WebPreferencesGtk.cpp
index 321a9cfcc..eca423b71 100644
--- a/Source/WebKit2/UIProcess/gtk/WebPreferencesGtk.cpp
+++ b/Source/WebKit2/UIProcess/gtk/WebPreferencesGtk.cpp
@@ -27,13 +27,17 @@
 #include "config.h"
 #include "WebPreferences.h"
 
+#include "HardwareAccelerationManager.h"
 #include <WebCore/NotImplemented.h>
 
 namespace WebKit {
 
 void WebPreferences::platformInitializeStore()
 {
-    notImplemented();
+    if (!HardwareAccelerationManager::singleton().canUseHardwareAcceleration())
+        setAcceleratedCompositingEnabled(false);
+    else if (HardwareAccelerationManager::singleton().forceHardwareAcceleration())
+        setForceCompositingMode(true);
 }
 
 void WebPreferences::platformUpdateStringValueForKey(const String&, const String&)
@@ -61,4 +65,28 @@ void WebPreferences::platformUpdateFloatValueForKey(const String&, float)
     notImplemented();
 }
 
+bool WebPreferences::platformGetStringUserValueForKey(const String&, String&)
+{
+    notImplemented();
+    return false;
+}
+
+bool WebPreferences::platformGetBoolUserValueForKey(const String&, bool&)
+{
+    notImplemented();
+    return false;
+}
+
+bool WebPreferences::platformGetUInt32UserValueForKey(const String&, uint32_t&)
+{
+    notImplemented();
+    return false;
+}
+
+bool WebPreferences::platformGetDoubleUserValueForKey(const String&, double&)
+{
+    notImplemented();
+    return false;
+}
+
 } // namespace WebKit