Hide location bar on Javascript-initiated scroll.

content/renderer/render_widget.cc

Index: content/renderer/render_widget.cc
diff --git a/content/renderer/render_widget.cc b/content/renderer/render_widget.cc
index b32b327bb826ff692bacf0857c9cc7f3bcfaf967..34515b875ec988d47806484c3dcc1735c0782e4b 100644
--- a/content/renderer/render_widget.cc
+++ b/content/renderer/render_widget.cc
@@ -47,6 +47,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/skia/include/core/SkShader.h"
 #include "ui/base/ui_base_switches.h"
+#include "ui/gfx/point.h"
 #include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/size_conversions.h"
 #include "ui/gfx/skia_util.h"
@@ -1569,6 +1570,14 @@ void RenderWidget::show(WebNavigationPolicy) {
   SetPendingWindowRect(initial_pos_);
 }
 
+void RenderWidget::didProgrammaticallyScroll(
+    const WebKit::WebPoint& scrollPoint) {
+  if (!compositor_)
+    return;
+  Send(new ViewHostMsg_DidProgrammaticallyScroll(
+      routing_id_, gfx::Point(scrollPoint.x, scrollPoint.y)));
+}
+
 void RenderWidget::didFocus() {
 }