jni_generator: Pass object parameters as JavaParamRef.

mojo/runner/android/main.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/runner/android/main.h"
 
 #include "base/android/fifo_utils.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 81 matching lines @@
       << "Unable to create fifo: " << fifo_path.value();
   CHECK(base::android::RedirectStream(stdout, fifo_path, "w"))
       << "Failed to redirect stdout to file: " << fifo_path.value();
   CHECK(dup2(STDOUT_FILENO, STDERR_FILENO) != -1)
       << "Unable to redirect stderr to stdout.";
 }
 
 }  // namespace
 
 static void Init(JNIEnv* env,
-                 jclass clazz,
-                 jobject activity,
-                 jstring mojo_shell_path,
-                 jobjectArray jparameters,
-                 jstring j_local_apps_directory,
-                 jstring j_tmp_dir) {
+                 const JavaParamRef<jclass>& clazz,
+                 const JavaParamRef<jobject>& activity,
+                 const JavaParamRef<jstring>& mojo_shell_path,
+                 const JavaParamRef<jobjectArray>& jparameters,
+                 const JavaParamRef<jstring>& j_local_apps_directory,
+                 const JavaParamRef<jstring>& j_tmp_dir) {
   g_main_activiy.Get().Reset(env, activity);
 
   // Setting the TMPDIR environment variable so that applications can use it.
   // TODO(qsr) We will need our subprocesses to inherit this.
   int return_value =
       setenv("TMPDIR",
              base::android::ConvertJavaStringToUTF8(env, j_tmp_dir).c_str(), 1);
   DCHECK_EQ(return_value, 0);
 
   base::android::ScopedJavaLocalRef<jobject> scoped_activity(env, activity);
@@ skipping 30 matching lines @@
   // tasks. This is consistent with the ordering from the desktop version of
   // this file (../desktop/launcher_process.cc).
   InitContext(shell_context);
 
   // TODO(abarth): At which point should we switch to cross-platform
   // initialization?
 
   gfx::GLSurface::InitializeOneOff();
 }
 
-static void Start(JNIEnv* env, jclass clazz) {
+static void Start(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
 #if defined(MOJO_SHELL_DEBUG_URL)
   base::CommandLine::ForCurrentProcess()->AppendArg(MOJO_SHELL_DEBUG_URL);
   // Sleep for 5 seconds to give the debugger a chance to attach.
   sleep(5);
 #endif
 
   Context* context = g_context.Pointer()->get();
   context->RunCommandLineApplication(base::Bind(ExitShell));
 }
 
-static void AddApplicationURL(JNIEnv* env, jclass clazz, jstring jurl) {
+static void AddApplicationURL(JNIEnv* env,
+                              const JavaParamRef<jclass>& clazz,
+                              const JavaParamRef<jstring>& jurl) {
   base::CommandLine::ForCurrentProcess()->AppendArg(
       base::android::ConvertJavaStringToUTF8(env, jurl));
 }
 
 bool RegisterShellMain(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 Context* GetContext() {
   return g_context.Get().get();
 }
 
 }  // namespace runner
 }  // namespace mojo
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;
   base::CommandLine::Init(argc, argv);
 
 #if !defined(OFFICIAL_BUILD)
   base::debug::EnableInProcessStackDumping();
 #endif
 
   mojo::runner::InitializeLogging();
   return mojo::runner::ChildProcessMain();
 }