Fix OverdrawFilter not set on first call to SkDebugCanvas::drawTo()

src/utils/debugger/SkDebugCanvas.cpp

Index: src/utils/debugger/SkDebugCanvas.cpp
diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp
index c6fcb07b8c46ba5106d14ec38588f030fd127dca..0e07084e43ad77e6088f2816e35e99c64261138b 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -153,22 +153,22 @@ void SkDebugCanvas::drawTo(SkCanvas* canvas, int index) {
         canvas->clipRect(rect, SkRegion::kReplace_Op );
         applyUserTransform(canvas);
         fOutstandingSaveCount = 0;
+    }
 
-        // The setting of the draw filter has to go here (rather than in
-        // SkRasterWidget) due to the canvas restores this class performs.
-        // Since the draw filter is stored in the layer stack if we
-        // call setDrawFilter on anything but the root layer odd things happen
-        if (fOverdrawViz) {
-            if (NULL == fOverdrawFilter) {
-                fOverdrawFilter = new OverdrawFilter;
-            }
+    // The setting of the draw filter has to go here (rather than in
+    // SkRasterWidget) due to the canvas restores this class performs.
+    // Since the draw filter is stored in the layer stack if we
+    // call setDrawFilter on anything but the root layer odd things happen.
+    if (fOverdrawViz) {
+        if (NULL == fOverdrawFilter) {
+            fOverdrawFilter = new OverdrawFilter;
+        }
 
-            if (fOverdrawFilter != canvas->getDrawFilter()) {
-                canvas->setDrawFilter(fOverdrawFilter);
-            }
-        } else {
-            canvas->setDrawFilter(NULL);
+        if (fOverdrawFilter != canvas->getDrawFilter()) {
+            canvas->setDrawFilter(fOverdrawFilter);
         }
+    } else {
+        canvas->setDrawFilter(NULL);
     }
 
     for (; i <= index; i++) {