[DeviceLight] Add Layout support

content/public/test/layouttest_support.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_
 #define CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
 
 // Enable injecting of a WebTestProxy between WebViews and RenderViews.
 // |callback| is invoked with a pointer to WebTestProxyBase for each created
 // WebTestProxy.
 void EnableWebTestProxyCreation(
     const base::Callback<void(RenderView*, WebTestProxyBase*)>& callback);
 
 // Sets gamepad provider to be used for layout tests.
 void SetMockGamepadProvider(RendererGamepadProvider* provider);
 
+// Sets a double that should be used when registering
+// a listener through WebKitPlatformSupport::setDeviceLightListener().
+void SetMockDeviceLightData(const double data);
+
 // Sets WebDeviceMotionData that should be used when registering
 // a listener through WebKitPlatformSupport::setDeviceMotionListener().
 void SetMockDeviceMotionData(const blink::WebDeviceMotionData& data);
 
 // Sets WebDeviceOrientationData that should be used when registering
 // a listener through WebKitPlatformSupport::setDeviceOrientationListener().
 void SetMockDeviceOrientationData(const blink::WebDeviceOrientationData& data);
 
 // Sets WebScreenOrientationType that should be used as a mock orientation.
 void SetMockScreenOrientation(
@@ skipping 44 matching lines @@
 // Provides a text dump of the contents of the given page state.
 std::string DumpBackForwardList(std::vector<PageState>& page_state,
                                 size_t current_index);
 
 // Instantiates WebLayerImpl for TestPlugin.
 blink::WebLayer* InstantiateWebLayer(scoped_refptr<cc::TextureLayer> layer);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_LAYOUTTEST_SUPPORT_H_