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diff --git a/chromium/third_party/WebKit/Source/modules/geolocation/testing/GeolocationClientMock.cpp b/chromium/third_party/WebKit/Source/modules/geolocation/testing/GeolocationClientMock.cpp
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+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ * Copyright (C) 2012 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "GeolocationClientMock.h"
+
+#include "modules/geolocation/GeolocationController.h"
+#include "modules/geolocation/GeolocationError.h"
+#include "modules/geolocation/GeolocationPosition.h"
+
+namespace WebCore {
+
+GeolocationClientMock::GeolocationClientMock()
+    : m_hasError(false)
+    , m_controllerTimer(this, &GeolocationClientMock::controllerTimerFired)
+    , m_permissionTimer(this, &GeolocationClientMock::permissionTimerFired)
+    , m_isActive(false)
+    , m_permissionState(PermissionStateUnset)
+{
+}
+
+GeolocationClientMock::~GeolocationClientMock()
+{
+    ASSERT(!m_isActive);
+}
+
+void GeolocationClientMock::setPosition(GeolocationPosition* position)
+{
+    m_lastPosition = position;
+    clearError();
+    asyncUpdateController();
+}
+
+void GeolocationClientMock::setPositionUnavailableError(const String& errorMessage)
+{
+    m_hasError = true;
+    m_errorMessage = errorMessage;
+    m_lastPosition = nullptr;
+    asyncUpdateController();
+}
+
+void GeolocationClientMock::setPermission(bool allowed)
+{
+    m_permissionState = allowed ? PermissionStateAllowed : PermissionStateDenied;
+    asyncUpdatePermission();
+}
+
+int GeolocationClientMock::numberOfPendingPermissionRequests() const
+{
+    return m_pendingPermissions.size();
+}
+
+void GeolocationClientMock::requestPermission(Geolocation* geolocation)
+{
+    m_pendingPermissions.add(geolocation);
+    if (m_permissionState != PermissionStateUnset)
+        asyncUpdatePermission();
+}
+
+void GeolocationClientMock::cancelPermissionRequest(Geolocation* geolocation)
+{
+    // Called from Geolocation::disconnectFrame() in response to LocalFrame destruction.
+    m_pendingPermissions.remove(geolocation);
+    if (m_pendingPermissions.isEmpty() && m_permissionTimer.isActive())
+        m_permissionTimer.stop();
+}
+
+void GeolocationClientMock::controllerForTestAdded(GeolocationController* controller)
+{
+    m_controllers.add(controller);
+}
+
+void GeolocationClientMock::controllerForTestRemoved(GeolocationController* controller)
+{
+    m_controllers.remove(controller);
+}
+
+void GeolocationClientMock::asyncUpdatePermission()
+{
+    ASSERT(m_permissionState != PermissionStateUnset);
+    if (!m_permissionTimer.isActive())
+        m_permissionTimer.startOneShot(0, FROM_HERE);
+}
+
+void GeolocationClientMock::permissionTimerFired(Timer<GeolocationClientMock>* timer)
+{
+    ASSERT_UNUSED(timer, timer == &m_permissionTimer);
+    ASSERT(m_permissionState != PermissionStateUnset);
+    bool allowed = m_permissionState == PermissionStateAllowed;
+    GeolocationSet::iterator end = m_pendingPermissions.end();
+
+    // Once permission has been set (or denied) on a Geolocation object, there can be
+    // no further requests for permission to the mock. Consequently the callbacks
+    // which fire synchronously from Geolocation::setIsAllowed() cannot reentrantly modify
+    // m_pendingPermissions.
+    for (GeolocationSet::iterator it = m_pendingPermissions.begin(); it != end; ++it)
+        (*it)->setIsAllowed(allowed);
+    m_pendingPermissions.clear();
+}
+
+void GeolocationClientMock::geolocationDestroyed()
+{
+    ASSERT(!m_isActive);
+}
+
+void GeolocationClientMock::startUpdating()
+{
+    ASSERT(!m_isActive);
+    m_isActive = true;
+    asyncUpdateController();
+}
+
+void GeolocationClientMock::stopUpdating()
+{
+    ASSERT(m_isActive);
+    m_isActive = false;
+    m_controllerTimer.stop();
+}
+
+void GeolocationClientMock::setEnableHighAccuracy(bool)
+{
+    // FIXME: We need to add some tests regarding "high accuracy" mode.
+    // See https://bugs.webkit.org/show_bug.cgi?id=49438
+}
+
+GeolocationPosition* GeolocationClientMock::lastPosition()
+{
+    return m_lastPosition.get();
+}
+
+void GeolocationClientMock::asyncUpdateController()
+{
+    if (m_isActive && !m_controllerTimer.isActive())
+        m_controllerTimer.startOneShot(0, FROM_HERE);
+}
+
+void GeolocationClientMock::controllerTimerFired(Timer<GeolocationClientMock>* timer)
+{
+    ASSERT_UNUSED(timer, timer == &m_controllerTimer);
+
+    // Make a copy of the set of controllers since it might be modified while iterating.
+    GeolocationControllers controllers = m_controllers;
+    if (m_lastPosition.get()) {
+        ASSERT(!m_hasError);
+        for (GeolocationControllers::iterator it = controllers.begin(); it != controllers.end(); ++it)
+            (*it)->positionChanged(m_lastPosition.get());
+    } else if (m_hasError) {
+        for (GeolocationControllers::iterator it = controllers.begin(); it != controllers.end(); ++it)
+            (*it)->errorOccurred(GeolocationError::create(GeolocationError::PositionUnavailable, m_errorMessage));
+    }
+}
+
+void GeolocationClientMock::clearError()
+{
+    m_hasError = false;
+    m_errorMessage = String();
+}
+
+} // WebCore