Hide location bar on Javascript-initiated scroll.

chrome/renderer/chrome_render_view_observer.cc

 // Copyright (c) 2012 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 "chrome/renderer/chrome_render_view_observer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 194 matching lines @@
                         OnSetClientSidePhishingDetection)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetVisuallyDeemphasized,
                         OnSetVisuallyDeemphasized)
 #if defined(OS_CHROMEOS)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_StartFrameSniffer, OnStartFrameSniffer)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewMsg_GetFPS, OnGetFPS)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_AddStrictSecurityHost,
                         OnAddStrictSecurityHost)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_NPAPINotSupported, OnNPAPINotSupported)
+#if defined(OS_ANDROID)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_UpdateTopControlsState,
+                        OnUpdateTopControlsState)
+#endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   // Filter only.
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderViewObserver, message)
     IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering);
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
@@ skipping 47 matching lines @@
 }
 
 void ChromeRenderViewObserver::OnNPAPINotSupported() {
 #if defined(USE_AURA) && defined(OS_WIN)
   content_settings_->BlockNPAPIPlugins();
 #else
   NOTREACHED();
 #endif
 }
 
+#if defined(OS_ANDROID)
+void ChromeRenderViewObserver::OnUpdateTopControlsState(
+    content::TopControlsState constraints,
+    content::TopControlsState current,
+    bool animate) {
+  render_view()->UpdateTopControlsState(constraints, current, animate);
+}
+#endif
+
 void ChromeRenderViewObserver::Navigate(const GURL& url) {
   // Execute cache clear operations that were postponed until a navigation
   // event (including tab reload).
   if (chrome_render_process_observer_)
     chrome_render_process_observer_->ExecutePendingClearCache();
 }
 
 void ChromeRenderViewObserver::OnSetClientSidePhishingDetection(
     bool enable_phishing_detection) {
 #if defined(FULL_SAFE_BROWSING) && !defined(OS_CHROMEOS)
@@ skipping 502 matching lines @@
   if (!external_host_bindings_.get()) {
     external_host_bindings_.reset(new ExternalHostBindings(
         render_view(), routing_id()));
   }
   return external_host_bindings_.get();
 }
 
 bool ChromeRenderViewObserver::IsStrictSecurityHost(const std::string& host) {
   return (strict_security_hosts_.find(host) != strict_security_hosts_.end());
 }