Move creation of content TabContentsViews to content so that we can hide these headers through DEPS…

content/browser/tab_contents/tab_contents_view_gtk.h

Index: content/browser/tab_contents/tab_contents_view_gtk.h
===================================================================
--- content/browser/tab_contents/tab_contents_view_gtk.h	(revision 126521)
+++ content/browser/tab_contents/tab_contents_view_gtk.h	(working copy)
@@ -20,7 +20,7 @@
 
 namespace content {
 
-class WebContentsViewGtkDelegate;
+class WebContentsViewDelegate;
 class WebDragDestDelegate;
 class WebDragDestGtk;
 class WebDragSourceGtk;
@@ -34,21 +34,18 @@
   // Embedding layer that lives with the WebContentsView.
   // TODO(jam): make this take a WebContents once it's created from content.
   TabContentsViewGtk(content::WebContents* web_contents,
-                     WebContentsViewGtkDelegate* delegate);
+                     WebContentsViewDelegate* delegate);
   virtual ~TabContentsViewGtk();
 
   // Override the stored focus widget. This call only makes sense when the
   // tab contents is not focused.
   void SetFocusedWidget(GtkWidget* widget);
 
-  WebContentsViewGtkDelegate* delegate() const { return delegate_.get(); }
+  WebContentsViewDelegate* delegate() const { return delegate_.get(); }
   TabContents* tab_contents() { return tab_contents_; }
   GtkWidget* expanded_container() { return expanded_.get(); }
   WebContents* web_contents();
 
-  // Allows our embeder to intercept incoming drag messages.
-  void SetDragDestDelegate(WebDragDestDelegate* delegate);
-
   // WebContentsView implementation --------------------------------------------
 
   virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
@@ -147,7 +144,7 @@
   // Our optional views wrapper. If non-NULL, we return this widget as our
   // GetNativeView() and insert |expanded_| as its child in the GtkWidget
   // hierarchy.
-  scoped_ptr<WebContentsViewGtkDelegate> delegate_;
+  scoped_ptr<WebContentsViewDelegate> delegate_;
 
   // The size we want the tab contents view to be.  We keep this in a separate
   // variable because resizing in GTK+ is async.