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/views/SkWindow.cpp b/src/views/SkWindow.cpp
index 7331976..f25eb12 100644
--- a/src/views/SkWindow.cpp
+++ b/src/views/SkWindow.cpp
@@ -348,12 +348,12 @@
     return false;
 }
 
-bool SkWindow::onHandleKey(SkKey key)
+bool SkWindow::onHandleKey(SkKey)
 {
     return false;
 }
 
-bool SkWindow::onHandleKeyUp(SkKey key)
+bool SkWindow::onHandleKeyUp(SkKey)
 {
     return false;
 }