Saturated arithmetic changed to use templates to fix build-issues

Source/platform/LayoutUnit.h

Index: Source/platform/LayoutUnit.h
diff --git a/Source/platform/LayoutUnit.h b/Source/platform/LayoutUnit.h
index 4f677d1dd60f97ad79948760415d97bdbe7cf79e..2ea2be3511e6c70c67046826d13a60150ab6e3b8 100644
--- a/Source/platform/LayoutUnit.h
+++ b/Source/platform/LayoutUnit.h
@@ -222,12 +222,24 @@ private:
 
     ALWAYS_INLINE void setValue(int value)
     {
-        m_value = saturatedSet(value, kLayoutUnitFractionalBits);
+        // The inner function needs to be implemented as a template to
+        // maintain a common interface for both C++ and ARM versions. The first
+        // parameter specifies how many bits we saturate to (for ARM).
+        m_value = saturatedSetSigned<
+            32-kLayoutUnitFractionalBits,

[Sami, 2014/07/09 13:59:26]

Please add spaces around the '-'.

[picksi, 2014/07/09 14:27:52]

Done.

+            kLayoutUnitFractionalBits>(value);
     }
 
-    inline void setValue(unsigned value)
+    ALWAYS_INLINE void setValue(unsigned value)
     {
-        m_value = saturatedSet(value, kLayoutUnitFractionalBits);
+        // The inner function needs to be implemented as a template to
+        // maintain a common interface for both C++ and ARM versions. The first
+        // parameter specifies how many bits we saturate to (for ARM). This is
+        // one bit less than the signed version due to the ARM instructions for
+        // unsigned saturation.
+        m_value = saturatedSetUnsigned<
+            31-kLayoutUnitFractionalBits,

[Sami, 2014/07/09 13:59:26]

Ditto.

[picksi, 2014/07/09 14:27:52]

Done.

+            kLayoutUnitFractionalBits>(value);
     }
 
     int m_value;