Exceptions for Web Notifications and the Push API by default.

content/browser/android/content_startup_flags.cc

Index: content/browser/android/content_startup_flags.cc
diff --git a/content/browser/android/content_startup_flags.cc b/content/browser/android/content_startup_flags.cc
index 7202397494e9366954f521694cd8eb4af1a5e54d..ceebf043eabf35656de630238a7bbf8b2ed1c28f 100644
--- a/content/browser/android/content_startup_flags.cc
+++ b/content/browser/android/content_startup_flags.cc
@@ -4,6 +4,7 @@
 
 #include "content/browser/android/content_startup_flags.h"
 
+#include "base/android/build_info.h"
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/logging.h"
@@ -18,6 +19,12 @@
 #include "ui/native_theme/native_theme_switches.h"
 
 namespace content {
+namespace {
+
+// Android SDK API level for the Jelly Bean release.
+const int kAndroidJellyBeanApiLevel = 16;
+
+}  // namespace
 
 void SetContentCommandLineFlags(bool single_process,
                                 const std::string& plugin_descriptor) {
@@ -72,6 +79,12 @@ void SetContentCommandLineFlags(bool single_process,
 
   parsed_command_line->AppendSwitch(switches::kDisableGpuShaderDiskCache);
 
+  // Web Notifications are only supported on Android JellyBean and beyond.
+  if (base::android::BuildInfo::GetInstance()->sdk_int() <
+      kAndroidJellyBeanApiLevel) {
+    parsed_command_line->AppendSwitch(switches::kDisableNotifications);
+  }
+
   parsed_command_line->AppendSwitch(switches::kEnableViewportMeta);
   parsed_command_line->AppendSwitch(
       switches::kMainFrameResizesAreOrientationChanges);