Move TranslateHelper to the translate component.

chrome/renderer/chrome_render_view_observer.h

Index: chrome/renderer/chrome_render_view_observer.h
diff --git a/chrome/renderer/chrome_render_view_observer.h b/chrome/renderer/chrome_render_view_observer.h
index c4edee949e0fb4500bef1e22da0f072d7fae8771..7c3f060d15d23200e59c54060ed42d186acb02e1 100644
--- a/chrome/renderer/chrome_render_view_observer.h
+++ b/chrome/renderer/chrome_render_view_observer.h
@@ -21,7 +21,6 @@
 class ChromeRenderProcessObserver;
 class ContentSettingsObserver;
 class SkBitmap;
-class TranslateHelper;
 class WebViewColorOverlay;
 class WebViewAnimatingOverlay;
 
@@ -34,6 +33,10 @@ namespace safe_browsing {
 class PhishingClassifierDelegate;
 }
 
+namespace translate {
+class TranslateHelper;
+}
+
 // This class holds the Chrome specific parts of RenderView, and has the same
 // lifetime.
 class ChromeRenderViewObserver : public content::RenderViewObserver {
@@ -94,7 +97,7 @@ class ChromeRenderViewObserver : public content::RenderViewObserver {
   ChromeRenderProcessObserver* chrome_render_process_observer_;
 
   // Have the same lifetime as us.
-  TranslateHelper* translate_helper_;
+  translate::TranslateHelper* translate_helper_;
   safe_browsing::PhishingClassifierDelegate* phishing_classifier_;
 
   // A color page overlay when visually de-emaphasized.