Fix the loading progress bar for Android.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 99c8b020bb7609619ade051f2792cf1d5adb530c..900a680c589fae437869f9cd51f07e1033bc67be 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1984,6 +1984,9 @@ void WebContentsImpl::DidStartProvisionalLoadForFrame(
       render_view_host->GetProcess();
   RenderViewHost::FilterURL(render_process_host, false, &validated_url);
 
+  if (delegate_ && is_main_frame)
+    delegate_->LoadProgressChanged(this, 0);
+
   // Notify observers about the start of the provisional load.
   FOR_EACH_OBSERVER(WebContentsObserver, observers_,
                     DidStartProvisionalLoadForFrame(frame_id, parent_frame_id,
@@ -2876,10 +2879,8 @@ void WebContentsImpl::DidCancelLoading() {
 }
 
 void WebContentsImpl::DidChangeLoadProgress(double progress) {
-#if defined(OS_ANDROID)
   if (delegate_)
     delegate_->LoadProgressChanged(this, progress);
-#endif
 }
 
 void WebContentsImpl::DidDisownOpener(RenderViewHost* rvh) {