Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/geolocation/location_api_adapter_android.cc

 // Copyright (c) 2012 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/geolocation/location_api_adapter_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/location.h"
-#include "base/thread_task_runner_handle.h"
 #include "content/browser/geolocation/location_provider_android.h"
 #include "jni/LocationProviderAdapter_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::ClearException;
 using content::AndroidLocationApiAdapter;
 
 static void NewLocationAvailable(JNIEnv* env, jclass,
                                  jdouble latitude,
@@ skipping 13 matching lines @@
 }
 
 namespace content {
 
 AndroidLocationApiAdapter::AndroidLocationApiAdapter()
     : location_provider_(NULL) {
 }
 
 AndroidLocationApiAdapter::~AndroidLocationApiAdapter() {
   CHECK(!location_provider_);
-  CHECK(!task_runner_.get());
+  CHECK(!message_loop_.get());
   CHECK(java_location_provider_android_object_.is_null());
 }
 
 bool AndroidLocationApiAdapter::Start(
     LocationProviderAndroid* location_provider, bool high_accuracy) {
   JNIEnv* env = AttachCurrentThread();
   if (!location_provider_) {
     location_provider_ = location_provider;
     CHECK(java_location_provider_android_object_.is_null());
     CreateJavaObject(env);
     {
       base::AutoLock lock(lock_);
-      CHECK(!task_runner_.get());
-      task_runner_ = base::ThreadTaskRunnerHandle::Get();
+      CHECK(!message_loop_.get());
+      message_loop_ = base::MessageLoopProxy::current();
     }
   }
   // At this point we should have all our pre-conditions ready, and they'd only
   // change in Stop() which must be called on the same thread as here.
   CHECK(location_provider_);
-  CHECK(task_runner_.get());
+  CHECK(message_loop_.get());
   CHECK(!java_location_provider_android_object_.is_null());
   // We'll start receiving notifications from java in the main thread looper
   // until Stop() is called.
   return Java_LocationProviderAdapter_start(env,
       java_location_provider_android_object_.obj(), high_accuracy);
 }
 
 void AndroidLocationApiAdapter::Stop() {
   if (!location_provider_) {
-    CHECK(!task_runner_.get());
+    CHECK(!message_loop_.get());
     CHECK(java_location_provider_android_object_.is_null());
     return;
   }
 
   {
     base::AutoLock lock(lock_);
-    task_runner_ = NULL;
+    message_loop_ = NULL;
   }
 
   location_provider_ = NULL;
 
   JNIEnv* env = AttachCurrentThread();
   Java_LocationProviderAdapter_stop(
       env, java_location_provider_android_object_.obj());
   java_location_provider_android_object_.Reset();
 }
 
 // static
 void AndroidLocationApiAdapter::NotifyProviderNewGeoposition(
     const Geoposition& geoposition) {
   // Called on the geolocation thread, safe to access location_provider_ here.
   if (GetInstance()->location_provider_) {
-    CHECK(GetInstance()->task_runner_->BelongsToCurrentThread());
+    CHECK(GetInstance()->message_loop_->BelongsToCurrentThread());
     GetInstance()->location_provider_->NotifyNewGeoposition(geoposition);
   }
 }
 
 // static
 void AndroidLocationApiAdapter::OnNewLocationAvailable(
     double latitude, double longitude, double time_stamp,
     bool has_altitude, double altitude,
     bool has_accuracy, double accuracy,
     bool has_heading, double heading,
@@ skipping 37 matching lines @@
   // Create the Java AndroidLocationProvider object.
   java_location_provider_android_object_.Reset(
       Java_LocationProviderAdapter_create(env,
           base::android::GetApplicationContext()));
   CHECK(!java_location_provider_android_object_.is_null());
 }
 
 void AndroidLocationApiAdapter::OnNewGeopositionInternal(
     const Geoposition& geoposition) {
   base::AutoLock lock(lock_);
-  if (!task_runner_.get())
+  if (!message_loop_.get())
     return;
-  task_runner_->PostTask(
+  message_loop_->PostTask(
       FROM_HERE,
-      base::Bind(&AndroidLocationApiAdapter::NotifyProviderNewGeoposition,
-                 geoposition));
+      base::Bind(
+          &AndroidLocationApiAdapter::NotifyProviderNewGeoposition,
+          geoposition));
 }
 
 }  // namespace content