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

content/browser/tab_contents/tab_contents_view_win.h

Index: content/browser/tab_contents/tab_contents_view_win.h
diff --git a/content/browser/tab_contents/tab_contents_view_win.h b/content/browser/tab_contents/tab_contents_view_win.h
index 568a71d1074316cb6d8d304f4ec69be47ab227ec..f4f958c1b3ffc89847e06b7553e2cb165e212458 100644
--- a/content/browser/tab_contents/tab_contents_view_win.h
+++ b/content/browser/tab_contents/tab_contents_view_win.h
@@ -29,7 +29,7 @@ class TabContentsViewWin : public content::WebContentsView,
   // Overridden from WebContentsView:
   virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
   virtual content::RenderWidgetHostView* CreateViewForWidget(
-      RenderWidgetHost* render_widget_host) OVERRIDE;
+      content::RenderWidgetHost* render_widget_host) OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
   virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
@@ -38,7 +38,7 @@ class TabContentsViewWin : public content::WebContentsView,
   virtual void OnTabCrashed(base::TerminationStatus status,
                             int error_code) OVERRIDE;
   virtual void SizeContents(const gfx::Size& size) OVERRIDE;
-  virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
+  virtual void RenderViewCreated(content::RenderViewHost* host) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void SetInitialFocus() OVERRIDE;
   virtual void StoreFocus() OVERRIDE;