Rename WebCore namespace to blink in Platform

Source/platform/geometry/RoundedRectTest.cpp

Index: Source/platform/geometry/RoundedRectTest.cpp
diff --git a/Source/platform/geometry/RoundedRectTest.cpp b/Source/platform/geometry/RoundedRectTest.cpp
index 69405cd3ffbfca64deae0c5ab7821b65f64f6939..56f0f923bdbf9c4ac235a3d099f7383d3c9b81f1 100644
--- a/Source/platform/geometry/RoundedRectTest.cpp
+++ b/Source/platform/geometry/RoundedRectTest.cpp
@@ -34,9 +34,9 @@
 #include "platform/geometry/IntRect.h"
 #include <gtest/gtest.h>
 
-using namespace WebCore;
+using namespace blink;
 
-namespace WebCore {
+namespace blink {
 
 // FIXME: Move this somewhere more generic.
 void PrintTo(const IntRect& rect, std::ostream* os)
@@ -48,7 +48,7 @@ void PrintTo(const IntRect& rect, std::ostream* os)
         << rect.height() << ")";
 }
 
-} // namespace WebCore
+} // namespace blink
 
 namespace {