Split Dictionary's get and convert into DictionaryHelper.

Source/modules/crypto/NormalizeAlgorithm.cpp

Index: Source/modules/crypto/NormalizeAlgorithm.cpp
diff --git a/Source/modules/crypto/NormalizeAlgorithm.cpp b/Source/modules/crypto/NormalizeAlgorithm.cpp
index 3db62ea2a69ca7d27cca4f8a0110efcf0d3ce351..caaef8cf72e76da8cc3c8294915453630be8e87c 100644
--- a/Source/modules/crypto/NormalizeAlgorithm.cpp
+++ b/Source/modules/crypto/NormalizeAlgorithm.cpp
@@ -269,7 +269,7 @@ private:
 // FIXME: Currently only supports ArrayBufferView.
 bool getOptionalCryptoOperationData(const Dictionary& raw, const char* propertyName, bool& hasProperty, RefPtr<ArrayBufferView>& buffer, const ErrorContext& context, AlgorithmError* error)
 {
-    if (!raw.get(propertyName, buffer)) {
+    if (!DictionaryHelper::get(raw, propertyName, buffer)) {
         hasProperty = false;
         return true;
     }
@@ -302,7 +302,7 @@ bool getCryptoOperationData(const Dictionary& raw, const char* propertyName, Ref
 
 bool getUint8Array(const Dictionary& raw, const char* propertyName, RefPtr<Uint8Array>& array, const ErrorContext& context, AlgorithmError* error)
 {
-    if (!raw.get(propertyName, array) || !array) {
+    if (!DictionaryHelper::get(raw, propertyName, array) || !array) {
         setSyntaxError(context.toString(propertyName, "Missing or not a Uint8Array"), error);
         return false;
     }
@@ -322,7 +322,7 @@ bool getBigInteger(const Dictionary& raw, const char* propertyName, RefPtr<Uint8
         return false;
     }
 
-    if (!raw.get(propertyName, array) || !array) {
+    if (!DictionaryHelper::get(raw, propertyName, array) || !array) {
         setSyntaxError(context.toString(propertyName, "Missing or not a Uint8Array"), error);
         return false;
     }
@@ -333,7 +333,7 @@ bool getBigInteger(const Dictionary& raw, const char* propertyName, RefPtr<Uint8
 bool getOptionalInteger(const Dictionary& raw, const char* propertyName, bool& hasProperty, double& value, double minValue, double maxValue, const ErrorContext& context, AlgorithmError* error)
 {
     double number;
-    bool ok = raw.get(propertyName, number, hasProperty);
+    bool ok = DictionaryHelper::get(raw, propertyName, number, hasProperty);
 
     if (!hasProperty)
         return true;
@@ -445,7 +445,7 @@ bool parseAlgorithm(const Dictionary&, blink::WebCryptoOperation, blink::WebCryp
 bool parseHash(const Dictionary& raw, blink::WebCryptoAlgorithm& hash, ErrorContext context, AlgorithmError* error)
 {
     Dictionary rawHash;
-    if (!raw.get("hash", rawHash)) {
+    if (!DictionaryHelper::get(raw, "hash", rawHash)) {
         setSyntaxError(context.toString("hash", "Missing or not a dictionary"), error);
         return false;
     }
@@ -685,7 +685,7 @@ bool parseAlgorithm(const Dictionary& raw, blink::WebCryptoOperation op, blink::
     }
 
     String algorithmName;
-    if (!raw.get("name", algorithmName)) {
+    if (!DictionaryHelper::get(raw, "name", algorithmName)) {
         setSyntaxError(context.toString("name", "Missing or not a string"), error);
         return false;
     }