Reverting changes that made window.scroll properties relative to the layout viewport.

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index b7d4010e1c5d394affd89e15c222e0779c070c22..1fe03b0cf624405dee06f32fb33c11405142e41c 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -573,6 +573,9 @@ const char kIgnoreCertificateErrors[]       = "ignore-certificate-errors";
 // Ignores GPU blacklist.
 const char kIgnoreGpuBlacklist[]            = "ignore-gpu-blacklist";
 
+// Makes all APIs reflect the layout viewport.
+const char kInertVisualViewport[]           = "inert-visual-viewport";
+
 // Run the GPU process as a thread in the browser process.
 const char kInProcessGPU[]                  = "in-process-gpu";