Switch base/ registrations to a static class method where appropriate.

base/message_pump_android.h

Index: base/message_pump_android.h
diff --git a/base/message_pump_android.h b/base/message_pump_android.h
index e10a7709597de89a8e9526e56bd1e8d900526b0b..e5066ae05654646dc3096948b59b069a2c9295a8 100644
--- a/base/message_pump_android.h
+++ b/base/message_pump_android.h
@@ -6,6 +6,8 @@
 #define BASE_MESSAGE_PUMP_ANDROID_H_
 #pragma once
 
+#include <jni.h>
+
 #include "base/compiler_specific.h"
 #include "base/message_pump.h"
 #include "base/time.h"
@@ -18,7 +20,6 @@ class RunLoop;
 class MessagePumpForUI : public MessagePump {
  public:
   MessagePumpForUI();
-  virtual ~MessagePumpForUI();
 
   virtual void Run(Delegate* delegate) OVERRIDE;
   virtual void Quit() OVERRIDE;
@@ -27,6 +28,11 @@ class MessagePumpForUI : public MessagePump {
 
   virtual void Start(Delegate* delegate);
 
+  static bool RegisterBindings(JNIEnv* env);
+
+ protected:
+  virtual ~MessagePumpForUI();
+
  private:
   base::RunLoop* run_loop_;