Split Dictionary's get and convert into DictionaryHelper.

Source/modules/geolocation/PositionOptions.cpp

Index: Source/modules/geolocation/PositionOptions.cpp
diff --git a/Source/modules/geolocation/PositionOptions.cpp b/Source/modules/geolocation/PositionOptions.cpp
index d6f79d04a7754f53a5f09206f83207f1020a76f8..70167ef4b6d9ebf70b07093b05970cf5dede7553 100644
--- a/Source/modules/geolocation/PositionOptions.cpp
+++ b/Source/modules/geolocation/PositionOptions.cpp
@@ -6,6 +6,7 @@
 #include "modules/geolocation/PositionOptions.h"
 
 #include "bindings/core/v8/Dictionary.h"
+#include "bindings/core/v8/DictionaryHelper.h"
 #include <limits.h>
 
 namespace WebCore {
@@ -21,10 +22,10 @@ PositionOptions::PositionOptions(const Dictionary& options)
     , m_timeout(std::numeric_limits<unsigned>::max())
 {
     if (options.hasProperty("enableHighAccuracy"))
-        options.get("enableHighAccuracy", m_highAccuracy);
+        DictionaryHelper::get(options, "enableHighAccuracy", m_highAccuracy);
     if (options.hasProperty("maximumAge")) {
         double maximumAge;
-        options.get("maximumAge", maximumAge);
+        DictionaryHelper::get(options, "maximumAge", maximumAge);
         if (maximumAge < 0)
             m_maximumAge = 0;
         else if (maximumAge > std::numeric_limits<unsigned>::max())
@@ -34,7 +35,7 @@ PositionOptions::PositionOptions(const Dictionary& options)
     }
     if (options.hasProperty("timeout")) {
         double timeout;
-        options.get("timeout", timeout);
+        DictionaryHelper::get(options, "timeout", timeout);
         if (timeout < 0)
             m_timeout = 0;
         else if (timeout > std::numeric_limits<unsigned>::max())