AnalysisCanvas is missing an override for virtual void onClipRegion

skia/ext/analysis_canvas_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/compiler_specific.h"
 #include "skia/ext/analysis_canvas.h"
 #include "skia/ext/refptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "third_party/skia/include/core/SkPictureRecorder.h"
@@ skipping 304 matching lines @@
 
   // Ensure that canvas is not solid.
   SkColor output_color;
   EXPECT_FALSE(canvas.GetColorIfSolid(&output_color));
 
   // Verify that we aborted drawing.
   EXPECT_TRUE(canvas.abortDrawing());
 
 }
 
+TEST(AnalysisCanvasTest, ClipComplexRegion) {
+  skia::AnalysisCanvas canvas(255, 255);
+
+  SkPath path;
+  path.moveTo(0, 0);
+  path.lineTo(128, 50);
+  path.lineTo(255, 0);
+  path.lineTo(255, 255);
+  path.lineTo(0, 255);
+  SkIRect pathBounds = path.getBounds().round();
+  SkRegion region;
+  region.setPath(path, SkRegion(pathBounds));
+
+  SkColor outputColor;
+  SolidColorFill(canvas);
+  canvas.clipRegion(region);
+  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
+
+  canvas.save();
+  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
+
+  canvas.clipRegion(region);
+  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
+
+  canvas.restore();
+  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
+
+  SolidColorFill(canvas);
+  EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor));
+}
+
 }  // namespace skia