[DeviceLight] Add renderer+common parts

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index cf00ab6b2ecaf174fe2bd9a88523aa0e70743ca8..777581c9bf6e4a9d50db97555f600a48fb3888fc 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -39,6 +39,7 @@
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/battery_status/battery_status_dispatcher.h"
 #include "content/renderer/battery_status/fake_battery_status_dispatcher.h"
+#include "content/renderer/device_sensors/device_light_event_pump.h"
 #include "content/renderer/device_sensors/device_motion_event_pump.h"
 #include "content/renderer/device_sensors/device_orientation_event_pump.h"
 #include "content/renderer/dom_storage/webstoragenamespace_impl.h"
@@ -64,6 +65,7 @@
 #include "net/base/net_util.h"
 #include "third_party/WebKit/public/platform/WebBatteryStatusListener.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
+#include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h"
 #include "third_party/WebKit/public/platform/WebDeviceOrientationListener.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
@@ -140,7 +142,8 @@ namespace content {
 
 namespace {
 
-static bool g_sandbox_enabled = true;
+bool g_sandbox_enabled = true;
+double g_test_device_light_data = -1;
 base::LazyInstance<blink::WebDeviceMotionData>::Leaky
     g_test_device_motion_data = LAZY_INSTANCE_INITIALIZER;
 base::LazyInstance<blink::WebDeviceOrientationData>::Leaky
@@ -1021,6 +1024,32 @@ blink::WebString RendererWebKitPlatformSupportImpl::convertIDNToUnicode(
 
 //------------------------------------------------------------------------------
 
+void RendererWebKitPlatformSupportImpl::setDeviceLightListener(
+    blink::WebDeviceLightListener* listener) {
+  if (g_test_device_light_data < 0) {
+    if (!device_light_event_pump_) {
+      device_light_event_pump_.reset(new DeviceLightEventPump);
+      device_light_event_pump_->Attach(RenderThreadImpl::current());
+    }
+    device_light_event_pump_->SetListener(listener);
+  } else if (listener) {
+    // Testing mode: just echo the test data to the listener.
+    base::MessageLoopProxy::current()->PostTask(
+        FROM_HERE,
+        base::Bind(&blink::WebDeviceLightListener::didChangeDeviceLight,
+                   base::Unretained(listener),
+                   g_test_device_light_data));
+  }
+}
+
+// static
+void RendererWebKitPlatformSupportImpl::SetMockDeviceLightDataForTesting(
+    double data) {
+  g_test_device_light_data = data;
+}
+
+//------------------------------------------------------------------------------
+
 void RendererWebKitPlatformSupportImpl::setDeviceMotionListener(
     blink::WebDeviceMotionListener* listener) {
   if (g_test_device_motion_data == 0) {