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

chrome/browser/automation/automation_util.h

Index: chrome/browser/automation/automation_util.h
diff --git a/chrome/browser/automation/automation_util.h b/chrome/browser/automation/automation_util.h
index 164bb2f95404a6a9cbb81ee97a46444ac8b0bb2e..3ebd640c15c059bd3fbd25c035bec84e8f826b02 100644
--- a/chrome/browser/automation/automation_util.h
+++ b/chrome/browser/automation/automation_util.h
@@ -17,10 +17,10 @@ class Extension;
 class ExtensionHost;
 class GURL;
 class Profile;
-class RenderViewHost;
 class TabContentsWrapper;
 
 namespace content {
+class RenderViewHost;
 class WebContents;
 }
 
@@ -104,7 +104,7 @@ bool GetTabForId(const AutomationId& id, content::WebContents** tab);
 // Gets the render view for the given ID. Returns true on success.
 bool GetRenderViewForId(const AutomationId& id,
                         Profile* profile,
-                        RenderViewHost** rvh);
+                        content::RenderViewHost** rvh);
 
 // Gets the extension for the given ID. Returns true on success.
 bool GetExtensionForId(const AutomationId& id,