Cleanup namespace usage in public/platform/Web[A-M]*.h.

public/platform/WebBlobData.h

Index: public/platform/WebBlobData.h
diff --git a/public/platform/WebBlobData.h b/public/platform/WebBlobData.h
index f9c69e97029b898e771343d16a4f6ca511e6c947..fd92dffcf33d603322079a7615972e068a625ab8 100644
--- a/public/platform/WebBlobData.h
+++ b/public/platform/WebBlobData.h
@@ -37,13 +37,14 @@
 #include "WebThreadSafeData.h"
 #include "WebURL.h"
 
-namespace blink { class BlobData; }
 #if INSIDE_BLINK
 namespace WTF { template <typename T> class PassOwnPtr; }
 #endif
 
 namespace blink {
 
+class BlobData;
+
 class WebBlobData : public WebNonCopyable {
 public:
     struct Item {
@@ -72,13 +73,13 @@ public:
     BLINK_PLATFORM_EXPORT WebString contentType() const;
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebBlobData(const WTF::PassOwnPtr<blink::BlobData>&);
-    BLINK_PLATFORM_EXPORT WebBlobData& operator=(const WTF::PassOwnPtr<blink::BlobData>&);
-    BLINK_PLATFORM_EXPORT operator WTF::PassOwnPtr<blink::BlobData>();
+    BLINK_PLATFORM_EXPORT WebBlobData(const WTF::PassOwnPtr<BlobData>&);
+    BLINK_PLATFORM_EXPORT WebBlobData& operator=(const WTF::PassOwnPtr<BlobData>&);
+    BLINK_PLATFORM_EXPORT operator WTF::PassOwnPtr<BlobData>();
 #endif
 
 private:
-    WebPrivateOwnPtr<blink::BlobData> m_private;
+    WebPrivateOwnPtr<BlobData> m_private;
 };
 
 } // namespace blink