Add switch to disable recording whole document

android_webview/lib/main/aw_main_delegate.cc

Index: android_webview/lib/main/aw_main_delegate.cc
diff --git a/android_webview/lib/main/aw_main_delegate.cc b/android_webview/lib/main/aw_main_delegate.cc
index 5f1069f42122ec437f6b2c43d43be08c25243155..224292f0b389b2d9d4088f7b129e2d9ba478d9e8 100644
--- a/android_webview/lib/main/aw_main_delegate.cc
+++ b/android_webview/lib/main/aw_main_delegate.cc
@@ -8,6 +8,7 @@
 #include "android_webview/browser/browser_view_renderer.h"
 #include "android_webview/browser/gpu_memory_buffer_factory_impl.h"
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
+#include "android_webview/common/aw_switches.h"
 #include "android_webview/lib/aw_browser_dependency_factory_impl.h"
 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
 #include "android_webview/native/aw_web_contents_view_delegate.h"
@@ -75,6 +76,10 @@ bool AwMainDelegate::BasicStartupComplete(int* exit_code) {
 
   // WebRTC hardware decoding is not supported, internal bug 15075307
   cl->AppendSwitch(switches::kDisableWebRtcHWDecoding);
+
+  if (cl->HasSwitch(switches::kDisableRecordDocumentWorkaround))
+    content::SynchronousCompositor::DisableRecordFullLayer();
+
   return false;
 }