Remove RenderViewHost parameter from WebContentsObserver::Did{Start|Stop}Loading.

content/browser/android/web_contents_observer_proxy.cc

 // Copyright 2015 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.
 
 #include "content/browser/android/web_contents_observer_proxy.h"
 
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 61 matching lines @@
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
   if (obj.is_null())
     return;
   jboolean was_oom_protected =
       termination_status == base::TERMINATION_STATUS_OOM_PROTECTED;
   Java_WebContentsObserverProxy_renderProcessGone(env, obj.obj(),
                                                   was_oom_protected);
 }
 
-void WebContentsObserverProxy::DidStartLoading(
-    RenderViewHost* render_view_host) {
+void WebContentsObserverProxy::DidStartLoading() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jstring_url(
       ConvertUTF8ToJavaString(env, web_contents()->GetVisibleURL().spec()));
   Java_WebContentsObserverProxy_didStartLoading(env, obj.obj(),
                                                 jstring_url.obj());
 }
 
-void WebContentsObserverProxy::DidStopLoading(
-    RenderViewHost* render_view_host) {
+void WebContentsObserverProxy::DidStopLoading() {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj(weak_java_observer_.get(env));
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jstring_url(ConvertUTF8ToJavaString(
       env, web_contents()->GetLastCommittedURL().spec()));
   Java_WebContentsObserverProxy_didStopLoading(env, obj.obj(),
                                                jstring_url.obj());
 }
 
@@ skipping 215 matching lines @@
       ConvertUTF8ToJavaString(env, url.spec()));
 
   Java_WebContentsObserverProxy_didStartNavigationToPendingEntry(
       env, obj.obj(), jstring_url.obj());
 }
 
 bool RegisterWebContentsObserverProxy(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 }  // namespace content