Remove use of default SkPicture constructor

Skia is removing the default SkPicture constructor. The only way to
get an SkPicture will be through SkPictureRecorder, CreateFromStream,
or CreateFromBuffer.

Review URL: https://codereview.chromium.org/387343003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282979 0039d316-1c4b-4281-b951-d872f2087c98

android_webview/browser/browser_view_renderer.cc

@@ -328,7 +328,9 @@ skia::RefPtr<SkPicture> BrowserViewRenderer::CapturePicture(int width,
 
   // Return empty Picture objects for empty SkPictures.
   if (width <= 0 || height <= 0) {
-    return skia::AdoptRef(new SkPicture);
+    SkPictureRecorder emptyRecorder;
+    emptyRecorder.beginRecording(0, 0);
+    return skia::AdoptRef(emptyRecorder.endRecording());
   }
 
   // Reset scroll back to the origin, will go back to the old