Move SaturatedArithmetic from Blink to base

third_party/WebKit/Source/platform/geometry/IntPoint.h

Index: third_party/WebKit/Source/platform/geometry/IntPoint.h
diff --git a/third_party/WebKit/Source/platform/geometry/IntPoint.h b/third_party/WebKit/Source/platform/geometry/IntPoint.h
index ebee74187e6129f52567479d9cb071971bee816f..de060f259b737d25ea359016db790a2116f20558 100644
--- a/third_party/WebKit/Source/platform/geometry/IntPoint.h
+++ b/third_party/WebKit/Source/platform/geometry/IntPoint.h
@@ -27,11 +27,11 @@
 #ifndef IntPoint_h
 #define IntPoint_h
 
+#include "base/numerics/saturated_arithmetic.h"
 #include "platform/geometry/IntSize.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
 #include "wtf/MathExtras.h"
-#include "wtf/SaturatedArithmetic.h"
 #include "wtf/VectorTraits.h"
 
 #if OS(MACOSX)
@@ -68,8 +68,8 @@ class PLATFORM_EXPORT IntPoint {
     m_y += dy;
   }
   void saturatedMove(int dx, int dy) {
-    m_x = saturatedAddition(m_x, dx);
-    m_y = saturatedAddition(m_y, dy);
+    m_x = base::SaturatedAddition(m_x, dx);
+    m_y = base::SaturatedAddition(m_y, dy);
   }
 
   void scale(float sx, float sy) {