Enable the OOP PDF viewer as the default

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 545a49672e24e31e035eaf5a9c2262f414876e3f..123a7a07e3ef230c5725b144fa837a036f3a23e1 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1366,7 +1366,7 @@ bool OutOfProcessPdfEnabled() {
     return false;
 
   // Default.
-  return false;
+  return true;
 }
 
 bool PdfMaterialUIEnabled() {
@@ -1377,7 +1377,7 @@ bool PdfMaterialUIEnabled() {
     return false;
 
   // Default.
-  return true;
+  return false;
 }
 
 bool SettingsWindowEnabled() {