Revert of Reland: Geolocation: move from content/browser to device/

content/browser/geolocation/mock_location_provider.cc

Index: content/browser/geolocation/mock_location_provider.cc
diff --git a/content/browser/geolocation/mock_location_provider.cc b/content/browser/geolocation/mock_location_provider.cc
new file mode 100644
index 0000000000000000000000000000000000000000..55b79a6b3520b0b2cf4cb244947f90ccec0827b7
--- /dev/null
+++ b/content/browser/geolocation/mock_location_provider.cc
@@ -0,0 +1,124 @@
+// 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.
+
+// This file implements a mock location provider and the factory functions for
+// various ways of creating it.
+
+#include "content/browser/geolocation/mock_location_provider.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/compiler_specific.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread_task_runner_handle.h"
+
+namespace content {
+
+MockLocationProvider::MockLocationProvider()
+    : state_(STOPPED),
+      is_permission_granted_(false),
+      provider_task_runner_(base::ThreadTaskRunnerHandle::Get()) {}
+
+MockLocationProvider::~MockLocationProvider() {}
+
+void MockLocationProvider::HandlePositionChanged(const Geoposition& position) {
+  if (provider_task_runner_->BelongsToCurrentThread()) {
+    // The location arbitrator unit tests rely on this method running
+    // synchronously.
+    position_ = position;
+    NotifyCallback(position_);
+  } else {
+    provider_task_runner_->PostTask(
+        FROM_HERE, base::Bind(&MockLocationProvider::HandlePositionChanged,
+                              base::Unretained(this), position));
+  }
+}
+
+bool MockLocationProvider::StartProvider(bool high_accuracy) {
+  state_ = high_accuracy ? HIGH_ACCURACY : LOW_ACCURACY;
+  return true;
+}
+
+void MockLocationProvider::StopProvider() {
+  state_ = STOPPED;
+}
+
+void MockLocationProvider::GetPosition(Geoposition* position) {
+  *position = position_;
+}
+
+void MockLocationProvider::OnPermissionGranted() {
+  is_permission_granted_ = true;
+}
+
+// Mock location provider that automatically calls back its client at most
+// once, when StartProvider or OnPermissionGranted is called. Use
+// |requires_permission_to_start| to select which event triggers the callback.
+class AutoMockLocationProvider : public MockLocationProvider {
+ public:
+  AutoMockLocationProvider(bool has_valid_location,
+                           bool requires_permission_to_start)
+      : requires_permission_to_start_(requires_permission_to_start),
+        listeners_updated_(false) {
+    if (has_valid_location) {
+      position_.accuracy = 3;
+      position_.latitude = 4.3;
+      position_.longitude = -7.8;
+      // Webkit compares the timestamp to wall clock time, so we need it to be
+      // contemporary.
+      position_.timestamp = base::Time::Now();
+    } else {
+      position_.error_code = Geoposition::ERROR_CODE_POSITION_UNAVAILABLE;
+    }
+  }
+  bool StartProvider(bool high_accuracy) override {
+    MockLocationProvider::StartProvider(high_accuracy);
+    if (!requires_permission_to_start_) {
+      UpdateListenersIfNeeded();
+    }
+    return true;
+  }
+
+  void OnPermissionGranted() override {
+    MockLocationProvider::OnPermissionGranted();
+    if (requires_permission_to_start_) {
+      UpdateListenersIfNeeded();
+    }
+  }
+
+  void UpdateListenersIfNeeded() {
+    if (!listeners_updated_) {
+      listeners_updated_ = true;
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
+          FROM_HERE, base::Bind(&MockLocationProvider::HandlePositionChanged,
+                                base::Unretained(this), position_));
+    }
+  }
+
+ private:
+  const bool requires_permission_to_start_;
+  bool listeners_updated_;
+
+  DISALLOW_COPY_AND_ASSIGN(AutoMockLocationProvider);
+};
+
+LocationProvider* NewMockLocationProvider() {
+  return new MockLocationProvider;
+}
+
+LocationProvider* NewAutoSuccessMockLocationProvider() {
+  return new AutoMockLocationProvider(true, false);
+}
+
+LocationProvider* NewAutoFailMockLocationProvider() {
+  return new AutoMockLocationProvider(false, false);
+}
+
+LocationProvider* NewAutoSuccessMockNetworkLocationProvider() {
+  return new AutoMockLocationProvider(true, true);
+}
+
+}  // namespace content