Tests : Unused parameters cleanup

I removed unused parameters in the tests wherever it was trivial to do so. I'm trying to get the easy ones out of the way before we get into more involved discussions around this.
Review URL: https://codereview.appspot.com/7394055

git-svn-id: http://skia.googlecode.com/svn/trunk@7891 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathCoverageTest.cpp b/tests/PathCoverageTest.cpp
index 87ec908..97708bb 100644
--- a/tests/PathCoverageTest.cpp
+++ b/tests/PathCoverageTest.cpp
@@ -66,7 +66,7 @@
     }
 }
 
-static uint32_t quadraticPointCount_EE(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_EE(const SkPoint points[]) {
     int distance = estimate_distance(points);
     return estimate_pointCount(distance);
 }
@@ -76,7 +76,7 @@
     return compute_pointCount(SkIntToScalar(distance), tol);
 }
 
-static uint32_t quadraticPointCount_CE(const SkPoint points[], SkScalar tol) {
+static uint32_t quadraticPointCount_CE(const SkPoint points[]) {
     SkScalar distance = compute_distance(points);
     return estimate_pointCount(SkScalarRound(distance));
 }
@@ -122,13 +122,13 @@
         uint32_t computedCount =
             quadraticPointCount_CC(path, SkIntToScalar(1));
         uint32_t estimatedCount =
-            quadraticPointCount_EE(path, SkIntToScalar(1));
+            quadraticPointCount_EE(path);
 
         if (false) { // avoid bit rot, suppress warning
             computedCount =
                     quadraticPointCount_EC(path, SkIntToScalar(1));
             estimatedCount =
-                    quadraticPointCount_CE(path, SkIntToScalar(1));
+                    quadraticPointCount_CE(path);
         }
         // Allow estimated to be high by a factor of two, but no less than
         // the computed value.