Use LCD text if the transform IsAlmostIdentityAndIntegerTranslation

ui/gfx/transform.h

Index: ui/gfx/transform.h
diff --git a/ui/gfx/transform.h b/ui/gfx/transform.h
index 10885bd3aaff9d3c345fe948a6744bb6ee93ebb4..48261f4eeaa0441864b6935ac50d6075f10b1ec8 100644
--- a/ui/gfx/transform.h
+++ b/ui/gfx/transform.h
@@ -116,6 +116,14 @@ class UI_EXPORT Transform {
   // translation.
   bool IsIdentityOrIntegerTranslation() const;
 
+  // These "Almost" methods check if the transform is very near to meet the
+  // conditions. Useful when the transform has been computed many steps and
+  // contains tiny errors but can still be treated as meeting the conditions
+  // approximately.
+  bool IsAlmostIdentity() const;
+  bool IsAlmostIdentityOrTranslation() const;
+  bool IsAlmostIdentityOrIntegerTranslation() const;
+
   // Returns true if the matrix is has only scaling and translation components.
   bool IsScaleOrTranslation() const {
     int mask = SkMatrix44::kScale_Mask | SkMatrix44::kTranslate_Mask;