Remove DeviceLightEvent implementation

content/shell/test_runner/test_runner.cc

Index: content/shell/test_runner/test_runner.cc
diff --git a/content/shell/test_runner/test_runner.cc b/content/shell/test_runner/test_runner.cc
index 3feadb7db1bd093ee2d0c77c9416cdfc96eb6824..c21435d517627f0a910fdd62dfbdc283a1e744f4 100644
--- a/content/shell/test_runner/test_runner.cc
+++ b/content/shell/test_runner/test_runner.cc
@@ -184,7 +184,6 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
                                         bool allow_destination_subdomains);
   void RemoveSpellCheckResolvedCallback();
   void RemoveWebPageOverlay();
-  void ResetDeviceLight();
   void ResetTestHelperControllers();
   void ResolveBeforeInstallPromptPromise(const std::string& platform);
   void RunIdleTasks(v8::Local<v8::Function> callback);
@@ -223,7 +222,6 @@ class TestRunnerBindings : public gin::Wrappable<TestRunnerBindings> {
                                       v8::Local<v8::Value> origin);
   void SetJavaScriptCanAccessClipboard(bool can_access);
   void SetMIDIAccessorResult(bool result);
-  void SetMockDeviceLight(double value);
   void SetMockDeviceMotion(gin::Arguments* args);
   void SetMockDeviceOrientation(gin::Arguments* args);
   void SetMockScreenOrientation(const std::string& orientation);
@@ -506,7 +504,6 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
                  &TestRunnerBindings::RemoveSpellCheckResolvedCallback)
       .SetMethod("removeWebPageOverlay",
                  &TestRunnerBindings::RemoveWebPageOverlay)
-      .SetMethod("resetDeviceLight", &TestRunnerBindings::ResetDeviceLight)
       .SetMethod("resetTestHelperControllers",
                  &TestRunnerBindings::ResetTestHelperControllers)
       .SetMethod("resolveBeforeInstallPromptPromise",
@@ -569,7 +566,6 @@ gin::ObjectTemplateBuilder TestRunnerBindings::GetObjectTemplateBuilder(
                  &TestRunnerBindings::SetMIDIAccessorResult)
       .SetMethod("setMainFrameIsFirstResponder",
                  &TestRunnerBindings::NotImplemented)
-      .SetMethod("setMockDeviceLight", &TestRunnerBindings::SetMockDeviceLight)
       .SetMethod("setMockDeviceMotion",
                  &TestRunnerBindings::SetMockDeviceMotion)
       .SetMethod("setMockDeviceOrientation",
@@ -919,17 +915,6 @@ bool TestRunnerBindings::DisableAutoResizeMode(int new_width, int new_height) {
   return false;
 }
 
-void TestRunnerBindings::SetMockDeviceLight(double value) {
-  if (!runner_)
-    return;
-  runner_->SetMockDeviceLight(value);
-}
-
-void TestRunnerBindings::ResetDeviceLight() {
-  if (runner_)
-    runner_->ResetDeviceLight();
-}
-
 void TestRunnerBindings::SetMockDeviceMotion(gin::Arguments* args) {
   if (!runner_)
     return;
@@ -1699,7 +1684,6 @@ void TestRunner::Reset() {
     delegate_->DeleteAllCookies();
     delegate_->SetBluetoothManualChooser(false);
     delegate_->ResetPermissions();
-    ResetDeviceLight();
   }
 
   dump_as_audio_ = false;
@@ -2215,14 +2199,6 @@ bool TestRunner::DisableAutoResizeMode(int new_width, int new_height) {
   return true;
 }
 
-void TestRunner::SetMockDeviceLight(double value) {
-  delegate_->SetDeviceLightData(value);
-}
-
-void TestRunner::ResetDeviceLight() {
-  delegate_->SetDeviceLightData(-1);
-}
-
 void TestRunner::SetMockDeviceMotion(bool has_acceleration_x,
                                      double acceleration_x,
                                      bool has_acceleration_y,