Put chrome/ counterparts of WebView and MimeHandlerView under extensions/

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
index 9b9dca5949606e71fa3b3b98858e69a6db89aff7..f016fabaa59022b472a1682c8becd4f904ece132 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h
@@ -20,11 +20,12 @@ namespace ui {
 class SimpleMenuModel;
 }  // namespace ui
 
-class ChromeWebViewGuestDelegate : public extensions::WebViewGuestDelegate,
+namespace extensions {
+
+class ChromeWebViewGuestDelegate : public WebViewGuestDelegate,
                                    public ZoomObserver {
  public :
-  explicit ChromeWebViewGuestDelegate(
-      extensions::WebViewGuest* web_view_guest);
+  explicit ChromeWebViewGuestDelegate(WebViewGuest* web_view_guest);
   ~ChromeWebViewGuestDelegate() override;
 
   // WebViewGuestDelegate implementation.
@@ -44,7 +45,7 @@ class ChromeWebViewGuestDelegate : public extensions::WebViewGuestDelegate,
   // ZoomObserver implementation.
   void OnZoomChanged(const ZoomController::ZoomChangedEventData& data) override;
 
-  extensions::WebViewGuest* web_view_guest() const { return web_view_guest_; }
+  WebViewGuest* web_view_guest() const { return web_view_guest_; }
 
  private:
   content::WebContents* guest_web_contents() const {
@@ -83,7 +84,7 @@ class ChromeWebViewGuestDelegate : public extensions::WebViewGuestDelegate,
       accessibility_subscription_;
 #endif
 
-  extensions::WebViewGuest* const web_view_guest_;
+  WebViewGuest* const web_view_guest_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
@@ -92,5 +93,7 @@ class ChromeWebViewGuestDelegate : public extensions::WebViewGuestDelegate,
   DISALLOW_COPY_AND_ASSIGN(ChromeWebViewGuestDelegate);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_CHROME_WEB_VIEW_GUEST_DELEGATE_H_