ui: Add IsExpressibleAsRect() method to RectF

ui/gfx/safe_integer_conversions.cc

Index: ui/gfx/safe_integer_conversions.cc
diff --git a/ui/gfx/safe_integer_conversions.cc b/ui/gfx/safe_integer_conversions.cc
index e3543533e48d4e86a66bd094f907db26b211c875..00d44c21f57c99e724f0a4720249c75780134b11 100644
--- a/ui/gfx/safe_integer_conversions.cc
+++ b/ui/gfx/safe_integer_conversions.cc
@@ -11,7 +11,7 @@ namespace gfx {
 
 int ClampToInt(float value) {
   if (value != value)
-     return 0; // no int NaN.
+    return 0; // no int NaN.

[sky, 2012/11/02 17:54:30]

nit: spacing is off.

[danakj, 2012/11/02 18:01:30]

this is supposed to be fixing the spacing, but it looks weird here too. i'll
double check it.

   if (value >= std::numeric_limits<int>::max())
     return std::numeric_limits<int>::max();
   if (value <= std::numeric_limits<int>::min())
@@ -36,4 +36,14 @@ int ToRoundedInt(float value) {
   return ClampToInt(rounded);
 }
 
+bool IsExpressibleAsInt(float value) {
+  if (value != value)
+    return false; // no int NaN.
+  if (value > std::numeric_limits<int>::max())
+    return false;
+  if (value < std::numeric_limits<int>::min())
+    return false;
+  return true;
+}
+
 }  // namespace gfx