Revert of Replace the remaining scoped_ptr with unique_ptr in webrtc/modules/

webrtc/modules/utility/include/jvm_android.h

Index: webrtc/modules/utility/include/jvm_android.h
diff --git a/webrtc/modules/utility/include/jvm_android.h b/webrtc/modules/utility/include/jvm_android.h
index 574c977cd0498f48f05334e5132bb6afddaa288a..f527dff6322cc6ae19a7d18f8ffe14d8901916bd 100644
--- a/webrtc/modules/utility/include/jvm_android.h
+++ b/webrtc/modules/utility/include/jvm_android.h
@@ -12,10 +12,9 @@
 #define WEBRTC_MODULES_UTILITY_INCLUDE_JVM_ANDROID_H_
 
 #include <jni.h>
-
-#include <memory>
 #include <string>
 
+#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/thread_checker.h"
 #include "webrtc/modules/utility/include/helpers_android.h"
 
@@ -77,7 +76,7 @@
   NativeRegistration(JNIEnv* jni, jclass clazz);
   ~NativeRegistration();
 
-  std::unique_ptr<GlobalRef> NewObject(
+  rtc::scoped_ptr<GlobalRef> NewObject(
       const char* name, const char* signature, ...);
 
  private:
@@ -97,7 +96,7 @@
   // Note that the class name must be one of the names in the static
   // |loaded_classes| array defined in jvm_android.cc.
   // This method must be called on the construction thread.
-  std::unique_ptr<NativeRegistration> RegisterNatives(
+  rtc::scoped_ptr<NativeRegistration> RegisterNatives(
       const char* name, const JNINativeMethod *methods, int num_methods);
 
   // Converts from Java string to std::string.
@@ -121,9 +120,9 @@
 //   webrtc::JVM::Initialize(jvm, context);
 //
 //   // Header (.h) file of example class called User.
-//   std::unique_ptr<JNIEnvironment> env;
-//   std::unique_ptr<NativeRegistration> reg;
-//   std::unique_ptr<GlobalRef> obj;
+//   rtc::scoped_ptr<JNIEnvironment> env;
+//   rtc::scoped_ptr<NativeRegistration> reg;
+//   rtc::scoped_ptr<GlobalRef> obj;
 //
 //   // Construction (in .cc file) of User class.
 //   User::User() {
@@ -157,7 +156,7 @@
   // Creates a JNIEnvironment object.
   // This method returns a NULL pointer if AttachCurrentThread() has not been
   // called successfully. Use the AttachCurrentThreadIfNeeded class if needed.
-  std::unique_ptr<JNIEnvironment> environment();
+  rtc::scoped_ptr<JNIEnvironment> environment();
 
   // Returns a JavaClass object given class |name|.
   // Note that the class name must be one of the names in the static