Add flag for drawing layers to screen with Ganesh

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 "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkShader.h"
 
 namespace {
 
 void solidColorFill(skia::AnalysisCanvas& canvas) {
   canvas.clear(SkColorSetARGB(255, 255, 255, 255));
 }
 
 void transparentFill(skia::AnalysisCanvas& canvas) {
   canvas.clear(SkColorSetARGB(0, 0, 0, 0));
 }
 
 } // namespace
 namespace skia {
 
 TEST(AnalysisCanvasTest, EmptyCanvas) {
   SkBitmap emptyBitmap;
   emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255);
   skia::AnalysisDevice device(emptyBitmap);
   skia::AnalysisCanvas canvas(&device);
-  
+
   SkColor color;
-  EXPECT_FALSE(canvas.getColorIfSolid(&color));
+  EXPECT_TRUE(canvas.getColorIfSolid(&color));
+  EXPECT_EQ(color, SkColorSetARGB(0, 0, 0, 0));
 }
 
 TEST(AnalysisCanvasTest, ClearCanvas) {
   SkBitmap emptyBitmap;
   emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255);
   skia::AnalysisDevice device(emptyBitmap);
   skia::AnalysisCanvas canvas(&device);
 
   // Transparent color
   SkColor color = SkColorSetARGB(0, 12, 34, 56);
@@ skipping 355 matching lines @@
     canvas.drawText(text, byteLength, point.fX, point.fY, paint);
     // Analysis device does not do any clipping.
     // So even when text is outside the clip region,
     // it is marked as having the text.
     // TODO(alokp): We may be able to do some trivial rejection.
     EXPECT_TRUE(canvas.hasText());
   }
 }
 
 }  // namespace skia