File constructor understands lastModified.

Source/bindings/v8/custom/V8BlobCustomHelpers.cpp

Index: Source/bindings/v8/custom/V8BlobCustomHelpers.cpp
diff --git a/Source/bindings/v8/custom/V8BlobCustomHelpers.cpp b/Source/bindings/v8/custom/V8BlobCustomHelpers.cpp
index ee359371b85b659787f80360eee7cc35104bd2fd..5d9af5fcb45562bb3ea75b4e7276c0f3eb99ffa2 100644
--- a/Source/bindings/v8/custom/V8BlobCustomHelpers.cpp
+++ b/Source/bindings/v8/custom/V8BlobCustomHelpers.cpp
@@ -38,33 +38,71 @@
 #include "bindings/v8/custom/V8ArrayBufferCustom.h"
 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h"
 #include "core/fileapi/BlobBuilder.h"
+#include "wtf/DateMath.h"
 
 namespace WebCore {
 
 namespace V8BlobCustomHelpers {
 
-bool processBlobPropertyBag(v8::Local<v8::Value> propertyBag, const char* blobClassName, String& contentType, String& endings, v8::Isolate* isolate)
+ParsedProperties::ParsedProperties(bool hasFileProperties)
+    : m_endings("transparent")
+    , m_hasFileProperties(hasFileProperties)
+#ifndef NDEBUG
+    , m_hasLastModified(false)
+#endif // NDEBUG
 {
-    ASSERT(endings == "transparent");
+}
+
+void ParsedProperties::setLastModified(double lastModified)
+{
+    ASSERT(m_hasFileProperties);
+    ASSERT(!m_hasLastModified);
+    m_lastModified = lastModified;
+#ifndef NDEBUG
+    m_hasLastModified = true;
+#endif // NDEBUG
+}
+
+void ParsedProperties::setDefaultLastModified()
+{
+    setLastModified(currentTime());
+}
+
+bool ParsedProperties::parseBlobPropertyBag(v8::Local<v8::Value> propertyBag, const char* blobClassName, v8::Isolate* isolate)
+{
+    ASSERT(m_endings == "transparent");
 
     V8TRYCATCH_RETURN(Dictionary, dictionary, Dictionary(propertyBag, isolate), false);
 
-    V8TRYCATCH_RETURN(bool, containsEndings, dictionary.get("endings", endings), false);
+    V8TRYCATCH_RETURN(bool, containsEndings, dictionary.get("endings", m_endings), false);
     if (containsEndings) {
-        if (endings != "transparent" && endings != "native") {
+        if (m_endings != "transparent" && m_endings != "native") {
             throwTypeError(ExceptionMessages::failedToConstruct(blobClassName, "The \"endings\" property must be either \"transparent\" or \"native\"."), isolate);
             return false;
         }
     }
 
-    V8TRYCATCH_RETURN(bool, containsType, dictionary.get("type", contentType), false);
+    V8TRYCATCH_RETURN(bool, containsType, dictionary.get("type", m_contentType), false);
     if (containsType) {
-        if (!contentType.containsOnlyASCII()) {
+        if (!m_contentType.containsOnlyASCII()) {
             throwError(v8SyntaxError, ExceptionMessages::failedToConstruct(blobClassName, "The \"type\" property must consist of ASCII characters."), isolate);
             return false;
         }
-        contentType = contentType.lower();
+        m_contentType = m_contentType.lower();
+    }
+
+    if (!m_hasFileProperties)
+        return true;
+
+    v8::Local<v8::Value> lastModified;
+    V8TRYCATCH_RETURN(bool, containsLastModified, dictionary.get("lastModified", lastModified), false);
+    if (containsLastModified) {
+        V8TRYCATCH_RETURN(long long, lastModifiedInt, toInt64(lastModified), false);
+        setLastModified(static_cast<double>(lastModifiedInt) / msPerSecond);
+    } else {
+        setDefaultLastModified();
     }
+
     return true;
 }