Cleanup namespace usage in modules/.

Source/modules/indexeddb/IDBTransactionTest.cpp

Index: Source/modules/indexeddb/IDBTransactionTest.cpp
diff --git a/Source/modules/indexeddb/IDBTransactionTest.cpp b/Source/modules/indexeddb/IDBTransactionTest.cpp
index 4d9962abe1cd09f0fbbdd724a571cecc81748c33..074b0d3d10e488a1ffd623440fcb1af37fc0fc38 100644
--- a/Source/modules/indexeddb/IDBTransactionTest.cpp
+++ b/Source/modules/indexeddb/IDBTransactionTest.cpp
@@ -41,10 +41,7 @@
 #include <gtest/gtest.h>
 #include <v8.h>
 
-using namespace blink;
-
-using blink::WebIDBDatabase;
-
+namespace blink {
 namespace {
 
 class IDBTransactionTest : public testing::Test {
@@ -70,7 +67,7 @@ private:
     RefPtrWillBePersistent<ExecutionContext> m_executionContext;
 };
 
-class FakeWebIDBDatabase FINAL : public blink::WebIDBDatabase {
+class FakeWebIDBDatabase FINAL : public WebIDBDatabase {
 public:
     static PassOwnPtr<FakeWebIDBDatabase> create() { return adoptPtr(new FakeWebIDBDatabase()); }
 
@@ -100,7 +97,7 @@ TEST_F(IDBTransactionTest, EnsureLifetime)
 
     const int64_t transactionId = 1234;
     const Vector<String> transactionScope;
-    Persistent<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, blink::WebIDBTransactionModeReadOnly, db.get());
+    Persistent<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, WebIDBTransactionModeReadOnly, db.get());
     PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
     set.add(transaction);
 
@@ -130,7 +127,7 @@ TEST_F(IDBTransactionTest, TransactionFinish)
 
     const int64_t transactionId = 1234;
     const Vector<String> transactionScope;
-    Persistent<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, blink::WebIDBTransactionModeReadOnly, db.get());
+    Persistent<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, WebIDBTransactionModeReadOnly, db.get());
     PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
     set.add(transaction);
 
@@ -160,3 +157,4 @@ TEST_F(IDBTransactionTest, TransactionFinish)
 }
 
 } // namespace
+} // namespace blink