Update from https://crrev.com/306706

skia/ext/bitmap_platform_device_cairo.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 "skia/ext/bitmap_platform_device_cairo.h"
 #include "skia/ext/platform_canvas.h"
 
 #if defined(OS_OPENBSD)
 #include <cairo.h>
 #else
@@ skipping 109 matching lines @@
 
 BitmapPlatformDevice* BitmapPlatformDevice::Create(int width, int height,
                                                    bool is_opaque) {
   // This initializes the bitmap to all zeros.
   cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
                                                         width, height);
 
   BitmapPlatformDevice* device = Create(width, height, is_opaque, surface);
 
 #ifndef NDEBUG
-  if (device && is_opaque)  // Fill with bright bluish green
-    device->eraseColor(SkColorSetARGB(255, 0, 255, 128));
+    if (device && is_opaque)  // Fill with bright bluish green
+        SkCanvas(device).drawColor(0xFF00FF80);
 #endif
 
   return device;
 }
 
 BitmapPlatformDevice* BitmapPlatformDevice::CreateAndClear(int width,
                                                            int height,
                                                            bool is_opaque) {
   // The Linux port always constructs initialized bitmaps, so there is no extra
   // work to perform here.
@@ skipping 80 matching lines @@
       width,
       height);
   if (cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS) {
     cairo_surface_destroy(surf);
     return false;
   }
   return InstallCairoSurfacePixels(&bitmap_, surf, is_opaque);
 }
 
 }  // namespace skia