deprecate SkScalarRound (and its ilk), use SkScalarRound[ToInt,ToScalar]. #define SK_SUPPORT_DEPRECATED_SCALARROUND for legacy clients

BUG=
R=robertphillips@google.com

Review URL: https://codereview.chromium.org/111353003

git-svn-id: http://skia.googlecode.com/svn/trunk@12719 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathCoverageTest.cpp b/tests/PathCoverageTest.cpp
index ede1fdc..25b5fd1 100644
--- a/tests/PathCoverageTest.cpp
+++ b/tests/PathCoverageTest.cpp
@@ -27,8 +27,8 @@
 // For determining the maximum possible number of points to use in
 // drawing a quadratic, we want to err on the high side.
 static inline int cheap_distance(SkScalar dx, SkScalar dy) {
-    int idx = SkAbs32(SkScalarRound(dx));
-    int idy = SkAbs32(SkScalarRound(dy));
+    int idx = SkAbs32(SkScalarRoundToInt(dx));
+    int idy = SkAbs32(SkScalarRoundToInt(dy));
     if (idx > idy) {
         idx += idy >> 1;
     } else {
@@ -79,7 +79,7 @@
 
 static uint32_t quadraticPointCount_CE(const SkPoint points[]) {
     SkScalar distance = compute_distance(points);
-    return estimate_pointCount(SkScalarRound(distance));
+    return estimate_pointCount(SkScalarRoundToInt(distance));
 }
 
 static uint32_t quadraticPointCount_CC(const SkPoint points[], SkScalar tol) {