Move ownership of PowerSaveBlocker from WakeLockServiceContext to WakeLockServiceImpl

third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp

Index: third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp b/third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp
index 816cfc2d25bad5715f4fc9d6ed608501d2f86375..2ad6aa655c72fc2386e31a497cecc80e73fc9eb4 100644
--- a/third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp
+++ b/third_party/WebKit/Source/web/tests/ScreenWakeLockTest.cpp
@@ -51,6 +51,10 @@ class MockInterfaceProvider : public InterfaceProvider {
     // mojom::WakeLockService
     void RequestWakeLock() override { registry_->SetWakeLockStatus(true); }
     void CancelWakeLock() override { registry_->SetWakeLockStatus(false); }
+    void AddClient(
+        device::mojom::blink::WakeLockServiceRequest wake_lock) override {}
+    void HasWakeLockForTests(
+        const HasWakeLockForTestsCallback& callback) override {}
 
     mojo::Binding<WakeLockService> binding_;
     MockInterfaceProvider* const registry_;