Don't share renderers between unrelated tabs on Android.

content/browser/android/browser_startup_controller.cc

Index: content/browser/android/browser_startup_controller.cc
diff --git a/content/browser/android/browser_startup_controller.cc b/content/browser/android/browser_startup_controller.cc
index 502f198edba2700c568e78e90abe6f53d651a337..74e38e6283900d9233c7dab1dec723870ac35e48 100644
--- a/content/browser/android/browser_startup_controller.cc
+++ b/content/browser/android/browser_startup_controller.cc
@@ -28,13 +28,13 @@ bool RegisterBrowserStartupController(JNIEnv* env) {
 
 static void SetCommandLineFlags(JNIEnv* env,
                                 jclass clazz,
-                                jint max_render_process_count,
+                                jboolean single_process,
                                 jstring plugin_descriptor) {
   std::string plugin_str =
       (plugin_descriptor == NULL
            ? std::string()
            : base::android::ConvertJavaStringToUTF8(env, plugin_descriptor));
-  SetContentCommandLineFlags(max_render_process_count, plugin_str);
+  SetContentCommandLineFlags(static_cast<bool>(single_process), plugin_str);
 }
 
 static jboolean IsOfficialBuild(JNIEnv* env, jclass clazz) {