Move releaseIfNeeded to start, since it can change bitmapIsDummy_

skia/ext/skia_utils_mac.mm

Index: skia/ext/skia_utils_mac.mm
diff --git a/skia/ext/skia_utils_mac.mm b/skia/ext/skia_utils_mac.mm
index 0a6be68a91bf125fbd40c430c4e54cda1406cf6f..1718551735087ad478827dc4a95f23f4fbbb9975 100644
--- a/skia/ext/skia_utils_mac.mm
+++ b/skia/ext/skia_utils_mac.mm
@@ -312,6 +312,8 @@ void SkiaBitLocker::releaseIfNeeded() {
 }
 
 CGContextRef SkiaBitLocker::cgContext() {
+  releaseIfNeeded(); // This flushes any prior bitmap use
+
   SkIRect clip_bounds;
   if (!canvas_->getClipDeviceBounds(&clip_bounds)) {
     // If the clip is empty, then there is nothing to draw. The caller may
@@ -321,8 +323,6 @@ CGContextRef SkiaBitLocker::cgContext() {
     clip_bounds = SkIRect::MakeXYWH(0, 0, 1, 1);
   }
 
-  releaseIfNeeded(); // This flushes any prior bitmap use
-
   // remember the top/left, in case we need to compose this later
   bitmapOffset_.set(clip_bounds.x(), clip_bounds.y());