Move Render(View|Widget)Host and associated classes to content namespace.

chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc

Index: chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc
diff --git a/chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc b/chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc
index e218c2553a015f163191f7ffcb0d5933e030ebda..f4bad4759fb95babbacaf36057204534e4c29145 100644
--- a/chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc
+++ b/chrome/browser/geolocation/chrome_geolocation_permission_context_unittest.cc
@@ -207,7 +207,7 @@ void GeolocationPermissionContextTests::AddNewTab(const GURL& url) {
       WebContents::Create(profile(), NULL, MSG_ROUTING_NONE, NULL, NULL);
   new_tab->GetController().LoadURL(
       url, content::Referrer(), content::PAGE_TRANSITION_TYPED, std::string());
-  static_cast<TestRenderViewHost*>(new_tab->GetRenderViewHost())->
+  static_cast<content::TestRenderViewHost*>(new_tab->GetRenderViewHost())->
       SendNavigate(extra_tabs_.size() + 1, url);
   extra_tabs_.push_back(new TabContentsWrapper(new_tab));
 }