SkCanvas::NewRaster is deprecated, create a surface instead

content/renderer/gpu/compositor_software_output_device.cc

Index: content/renderer/gpu/compositor_software_output_device.cc
diff --git a/content/renderer/gpu/compositor_software_output_device.cc b/content/renderer/gpu/compositor_software_output_device.cc
index 4b23919203be441c98ff34da38b3c7dfef0c9a83..93155cc9ceeabfff34a1730f15c3e74c097b9c94 100644
--- a/content/renderer/gpu/compositor_software_output_device.cc
+++ b/content/renderer/gpu/compositor_software_output_device.cc
@@ -152,9 +152,8 @@ SkCanvas* CompositorSoftwareOutputDevice::BeginPaint(
   // Set up a canvas for the current front buffer.
   SkImageInfo info = SkImageInfo::MakeN32Premul(viewport_pixel_size_.width(),
                                                 viewport_pixel_size_.height());
-  SkBitmap bitmap;
-  bitmap.installPixels(info, current->memory(), info.minRowBytes());
-  canvas_ = skia::AdoptRef(new SkCanvas(bitmap));
+  surface_ = skia::AdoptRef(SkSurface::NewRasterDirect(info, current->memory(),
+                                                       info.minRowBytes()));
 
   if (!previous) {
     DCHECK(damage_rect == gfx::Rect(viewport_pixel_size_));
@@ -179,7 +178,7 @@ SkCanvas* CompositorSoftwareOutputDevice::BeginPaint(
       for (SkRegion::Iterator it(region); !it.done(); it.next()) {
         const SkIRect& src_rect = it.rect();
         SkRect dst_rect = SkRect::Make(src_rect);
-        canvas_->drawBitmapRect(back_bitmap, &src_rect, dst_rect, NULL);
+        surface_->getCanvas()->drawBitmapRect(back_bitmap, &src_rect, dst_rect);
       }
     }
   }
@@ -193,7 +192,7 @@ SkCanvas* CompositorSoftwareOutputDevice::BeginPaint(
   }
   damage_rect_ = damage_rect;
 
-  return canvas_.get();
+  return surface_->getCanvas();
 }
 
 void CompositorSoftwareOutputDevice::EndPaint(