Miscellaneous cleanup to reduce number of includes in platform/graphics/

Source/core/platform/graphics/IntPoint.cpp

Index: Source/core/platform/graphics/IntPoint.cpp
diff --git a/Source/core/loader/UniqueIdentifier.cpp b/Source/core/platform/graphics/IntPoint.cpp
similarity index 88%
copy from Source/core/loader/UniqueIdentifier.cpp
copy to Source/core/platform/graphics/IntPoint.cpp
index 0ad56563e3e214a67acd8c53decb085ad4250cb9..c4e18b9960ceaccdd0a202986f6d2d8c11c645cf 100644
--- a/Source/core/loader/UniqueIdentifier.cpp
+++ b/Source/core/platform/graphics/IntPoint.cpp
@@ -29,16 +29,16 @@
  */
 
 #include "config.h"
-#include "core/loader/UniqueIdentifier.h"
+#include "core/platform/graphics/IntPoint.h"
 
-namespace WebCore {
+#include "wtf/MathExtras.h"
 
-static unsigned long s_uniqueIdentifier = 0;
+namespace WebCore {
 
-unsigned long createUniqueIdentifier()
+void IntPoint::scale(float sx, float sy)
 {
-    return ++s_uniqueIdentifier;
+    m_x = lroundf(static_cast<float>(m_x * sx));
+    m_y = lroundf(static_cast<float>(m_y * sy));
 }
 
 } // namespace WebCore
-