Migrates battery_status from content/renderer/ to WebKit/platform/

components/html_viewer/web_test_delegate_impl.cc

Index: components/html_viewer/web_test_delegate_impl.cc
diff --git a/components/html_viewer/web_test_delegate_impl.cc b/components/html_viewer/web_test_delegate_impl.cc
index 751b84267fd4613eefab1f2d5a560cdf8917097f..19f7e9ecc6f16d6326a98c472c389f0390962a5e 100644
--- a/components/html_viewer/web_test_delegate_impl.cc
+++ b/components/html_viewer/web_test_delegate_impl.cc
@@ -82,11 +82,6 @@ void WebTestDelegateImpl::ResetScreenOrientation() {
   NOTIMPLEMENTED();
 }
 
-void WebTestDelegateImpl::DidChangeBatteryStatus(
-    const blink::WebBatteryStatus& status) {
-  NOTIMPLEMENTED();
-}
-
 void WebTestDelegateImpl::PrintMessage(const std::string& message) {
   std::cout << message;
 }