Add two classes [as yet unused] needed for upcoming IDB Blob support.

public/platform/WebBlobInfo.h

Index: public/platform/WebBlobInfo.h
diff --git a/public/platform/WebBlobInfo.h b/public/platform/WebBlobInfo.h
new file mode 100644
index 0000000000000000000000000000000000000000..add519a79dc29561b32e8e041e0c78dab8839097
--- /dev/null
+++ b/public/platform/WebBlobInfo.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2014 Google Inc. All rights reserved.

[jsbell, 2014/03/20 16:00:46]

Use short copyright declaration

[ericu, 2014/03/25 00:00:26]

Done.

+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebBlobInfo_h
+#define WebBlobInfo_h
+
+#include "WebCommon.h"
+#include "WebString.h"
+
+#if INSIDE_BLINK
+namespace WebCore { class BlobInfo; }
+#endif
+
+namespace blink {
+
+class WebBlobInfo {
+public:
+    WebBlobInfo()
+        : m_isFile(false)
+        , m_size(-1)
+        , m_lastModified(0)
+    {
+    }
+    WebBlobInfo(const WebString& uuid, const WebString& type, long long size)
+        : m_isFile(false)
+        , m_uuid(uuid)
+        , m_type(type)
+        , m_size(size)
+        , m_lastModified(0)
+    {
+    }
+    WebBlobInfo(const WebString& uuid, const WebString& filePath, const WebString& fileName, const WebString& type)
+        : m_isFile(true)
+        , m_uuid(uuid)
+        , m_type(type)
+        , m_size(-1)
+        , m_filePath(filePath)
+        , m_fileName(fileName)
+        , m_lastModified(0)
+    {
+    }
+    WebBlobInfo(const WebString& uuid, const WebString& filePath, const WebString& fileName, const WebString& type, double lastModified, long long size)
+        : m_isFile(true)
+        , m_uuid(uuid)
+        , m_type(type)
+        , m_size(size)
+        , m_filePath(filePath)
+        , m_fileName(fileName)
+        , m_lastModified(lastModified)
+    {
+    }
+    bool isFile() const { return m_isFile; }
+    const WebString& uuid() const { return m_uuid; }
+    const WebString& type() const { return m_type; }
+    long long size() const { return m_size; }
+    const WebString& filePath() const { return m_filePath; }
+    const WebString& fileName() const { return m_fileName; }
+    double lastModified() const { return m_lastModified; }
+
+#if INSIDE_BLINK
+    BLINK_COMMON_EXPORT operator WebCore::BlobInfo() const;
+#endif
+
+private:
+    bool m_isFile;
+    WebString m_uuid;
+    WebString m_type;
+    long long m_size;
+    WebString m_filePath;
+    WebString m_fileName;
+    double m_lastModified;
+};
+
+} // namespace blink
+
+#endif