cc: Enable impl-side painting by default on all platforms where threaded compositing is used.

BUG=169282

Review URL: https://codereview.chromium.org/242803007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266471 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/gpu/compositor_util.cc

@@ -181,11 +181,7 @@ bool IsImplSidePaintingEnabled() {
   else if (command_line.HasSwitch(switches::kEnableImplSidePainting))
     return true;
 
-#if defined(OS_ANDROID)
-  return true;
-#else
-  return false;
-#endif
+  return IsThreadedCompositingEnabled();
 }
 
 bool IsGpuRasterizationEnabled() {