Cleanup: Stop creating RenderViewObservers from chrome/ in RenderViewer.

chrome/renderer/spellchecker/spellcheck_provider.h

Index: chrome/renderer/spellchecker/spellcheck_provider.h
===================================================================
--- chrome/renderer/spellchecker/spellcheck_provider.h	(revision 79652)
+++ chrome/renderer/spellchecker/spellcheck_provider.h	(working copy)
@@ -29,13 +29,6 @@
   SpellCheckProvider(RenderView* render_view, SpellCheck* spellcheck);
   virtual ~SpellCheckProvider();
 
-  // Requests async spell and grammar checker to the platform text
-  // checker, which is available on the browser process.
-  void RequestTextChecking(
-      const WebKit::WebString& text,
-      int document_tag,
-      WebKit::WebTextCheckingCompletion* completion);
-
   // Check the availability of the platform spellchecker.
   // Makes this virtual for overriding on the unittest.
   virtual bool is_using_platform_spelling_engine() const;
@@ -48,6 +41,13 @@
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
 
+  // Requests async spell and grammar checker to the platform text
+  // checker, which is available on the browser process.
+  virtual void RequestTextChecking(
+      const WebKit::WebString& text,
+      int document_tag,
+      WebKit::WebTextCheckingCompletion* completion);
+
  private:
   // A message handler that receives async results for RequestTextChecking().
   void OnRespondTextCheck(