Removed unused parameters

I removed unused parameters wherever it was trivial to do so.
Review URL: https://codereview.chromium.org/12772003

git-svn-id: http://skia.googlecode.com/svn/trunk@8103 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/animator/SkDrawExtraPathEffect.cpp b/src/animator/SkDrawExtraPathEffect.cpp
index e624d19..e973dbf 100644
--- a/src/animator/SkDrawExtraPathEffect.cpp
+++ b/src/animator/SkDrawExtraPathEffect.cpp
@@ -415,7 +415,7 @@
 
 class SkExtraPathEffects : public SkExtras {
 public:
-    SkExtraPathEffects(SkAnimator* animator) :
+    SkExtraPathEffects() :
             skDrawShape1DPathEffectType(SkType_Unknown),
             skDrawShape2DPathEffectType(SkType_Unknown),
             skDrawComposePathEffectType(SkType_Unknown),
@@ -504,9 +504,8 @@
     SkDisplayTypes skDrawCornerPathEffectType;
 };
 
-
 void InitializeSkExtraPathEffects(SkAnimator* animator) {
-    animator->addExtras(new SkExtraPathEffects(animator));
+    animator->addExtras(new SkExtraPathEffects());
 }
 
 ////////////////