Remove now-unnecessary .obj() in Java method calls.

content/browser/android/tracing_controller_android.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 "content/browser/android/tracing_controller_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 62 matching lines @@
   ScopedJavaLocalRef<jstring> jfilename =
       Java_TracingControllerAndroid_generateTracingFilePath(env);
   *file_path = base::FilePath(
       base::android::ConvertJavaStringToUTF8(env, jfilename.obj()));
 }
 
 void TracingControllerAndroid::OnTracingStopped() {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jobject> obj = weak_java_object_.get(env);
   if (obj.obj())
-    Java_TracingControllerAndroid_onTracingStopped(env, obj.obj());
+    Java_TracingControllerAndroid_onTracingStopped(env, obj);
 }
 
 bool TracingControllerAndroid::GetKnownCategoryGroupsAsync(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   if (!TracingController::GetInstance()->GetCategories(
           base::Bind(&TracingControllerAndroid::OnKnownCategoriesReceived,
                      weak_factory_.GetWeakPtr()))) {
     return false;
   }
@@ skipping 21 matching lines @@
   base::trace_event::TraceConfig trace_config;
   return base::android::ConvertUTF8ToJavaString(
       env, trace_config.ToCategoryFilterString());
 }
 
 bool RegisterTracingControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content