Add a header for OverView.cpp as well.

This fixes another FIXMEs.

Signed-off-by: Thiago Farina <tfarina@chromium.org>

Review URL: https://codereview.appspot.com/6492125

git-svn-id: http://skia.googlecode.com/svn/trunk@5576 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/TransitionView.h b/samplecode/TransitionView.h
index ac95221..92e136a 100644
--- a/samplecode/TransitionView.h
+++ b/samplecode/TransitionView.h
@@ -12,4 +12,6 @@
 
 SkView* create_transition(SkView* prev, SkView* next, int direction);
 
+bool is_transition(SkView* view);
+
 #endif  // SAMPLECODE_TRANSITIONVIEW_H_