TabContents -> WebContentsImpl, part 11.

content/browser/renderer_host/render_widget_host_view_gtk.cc

Index: content/browser/renderer_host/render_widget_host_view_gtk.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_gtk.cc b/content/browser/renderer_host/render_widget_host_view_gtk.cc
index 6dde3994174266dd0d5c80159c3d1dd7c21bbf3a..d20d125f15410e77e485befe2f9ba6c1db58244d 100644
--- a/content/browser/renderer_host/render_widget_host_view_gtk.cc
+++ b/content/browser/renderer_host/render_widget_host_view_gtk.cc
@@ -644,8 +644,8 @@ void RenderWidgetHostViewGtk::DidBecomeSelected() {
   if (!is_hidden_)
     return;
 
-  if (tab_switch_paint_time_.is_null())
-    tab_switch_paint_time_ = base::TimeTicks::Now();
+  if (web_contents_switch_paint_time_.is_null())
+    web_contents_switch_paint_time_ = base::TimeTicks::Now();
   is_hidden_ = false;
   host_->WasRestored();
 }
@@ -1106,14 +1106,14 @@ void RenderWidgetHostViewGtk::Paint(const gfx::Rect& damage_rect) {
       // time the backing store is NULL...
       whiteout_start_time_ = base::TimeTicks();
     }
-    if (!tab_switch_paint_time_.is_null()) {
-      base::TimeDelta tab_switch_paint_duration = base::TimeTicks::Now() -
-          tab_switch_paint_time_;
+    if (!web_contents_switch_paint_time_.is_null()) {
+      base::TimeDelta web_contents_switch_paint_duration =
+          base::TimeTicks::Now() - web_contents_switch_paint_time_;
       UMA_HISTOGRAM_TIMES("MPArch.RWH_TabSwitchPaintDuration",
-          tab_switch_paint_duration);
-      // Reset tab_switch_paint_time_ to 0 so future tab selections are
+          web_contents_switch_paint_duration);
+      // Reset web_contents_switch_paint_time_ to 0 so future tab selections are
       // recorded.
-      tab_switch_paint_time_ = base::TimeTicks();
+      web_contents_switch_paint_time_ = base::TimeTicks();
     }
   } else {
     if (window)