Fix build with gcc 4.4

Nullptr is one of the C++11 features not fully supported in gcc 4.4,
we can therefore not rely on it being converted to a pointer automatically.

Change-Id: I91830a2e78d9eb7532930581774cc095181cbf83
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/Source/WebKit2/UIProcess/Plugins/PluginProcessManager.cpp b/Source/WebKit2/UIProcess/Plugins/PluginProcessManager.cpp
index 2279aaecd..6af593a54 100644
--- a/Source/WebKit2/UIProcess/Plugins/PluginProcessManager.cpp
+++ b/Source/WebKit2/UIProcess/Plugins/PluginProcessManager.cpp
@@ -123,7 +123,7 @@ PluginProcessProxy* PluginProcessManager::getOrCreatePluginProcess(uint64_t plug
         }
     }
 
-    return nullptr;
+    return 0;
 }
 
 } // namespace WebKit
diff --git a/Source/WebKit2/UIProcess/Storage/LocalStorageDatabaseTracker.cpp b/Source/WebKit2/UIProcess/Storage/LocalStorageDatabaseTracker.cpp
index f58fe8a79..1612444e1 100644
--- a/Source/WebKit2/UIProcess/Storage/LocalStorageDatabaseTracker.cpp
+++ b/Source/WebKit2/UIProcess/Storage/LocalStorageDatabaseTracker.cpp
@@ -53,7 +53,7 @@ LocalStorageDatabaseTracker::~LocalStorageDatabaseTracker()
 void LocalStorageDatabaseTracker::setLocalStorageDirectory(const String& localStorageDirectory)
 {
     // FIXME: We should come up with a better idiom for safely copying strings across threads.
-    RefPtr<StringImpl> copiedLocalStorageDirectory = localStorageDirectory.impl() ? localStorageDirectory.impl()->isolatedCopy() : nullptr;
+    RefPtr<StringImpl> copiedLocalStorageDirectory = localStorageDirectory.impl() ? localStorageDirectory.impl()->isolatedCopy() : PassRefPtr<StringImpl>();
 
     m_queue->dispatch(bind(&LocalStorageDatabaseTracker::setLocalStorageDirectoryInternal, this, copiedLocalStorageDirectory.release()));
 }