don't create SkDevice directly, use SkBitmap or (better) SkCanvas::NewRaster factory

android_webview/native/java_browser_view_renderer_helper.cc

Index: android_webview/native/java_browser_view_renderer_helper.cc
diff --git a/android_webview/native/java_browser_view_renderer_helper.cc b/android_webview/native/java_browser_view_renderer_helper.cc
index b6dd73caf2b2029cffa02b786ce74892286ae047..9734d00aa4fab3e9fdbff7bfcbab350dd66a04f6 100644
--- a/android_webview/native/java_browser_view_renderer_helper.cc
+++ b/android_webview/native/java_browser_view_renderer_helper.cc
@@ -10,7 +10,6 @@
 #include "base/debug/trace_event.h"
 #include "jni/JavaBrowserViewRendererHelper_jni.h"
 #include "third_party/skia/include/core/SkBitmap.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
 #include "third_party/skia/include/utils/SkCanvasStateUtils.h"
 
 using base::android::JavaRef;
@@ -156,15 +155,11 @@ bool JavaBrowserViewRendererHelper::RasterizeIntoBitmap(
 
   bool succeeded;
   {
+    SkImageInfo info = MakeN32Premul(bitmap_info.width, bitmap_info.height);
     SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config,
-                     bitmap_info.width,
-                     bitmap_info.height,
-                     bitmap_info.stride);
-    bitmap.setPixels(pixels);
-
-    SkBitmapDevice device(bitmap);
-    SkCanvas canvas(&device);
+    bitmap.installPixels(info, pixels, bitmap_info.stride);
+
+    SkCanvas canvas(bitmap);
     canvas.translate(-scroll_x, -scroll_y);
     succeeded = renderer.Run(&canvas);
   }