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

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index f6b878c8836d988ea929974e45c6ab6666daed65..6b248c41bde04bd3d5b5d022089c91e1f7e779cc 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -20,6 +20,7 @@
 #include "webkit/glue/webcursor.h"
 
 namespace content {
+class RenderWidgetHostImpl;
 class RenderWidgetHostView;
 }
 
@@ -35,7 +36,6 @@ namespace WebKit {
 class WebTouchEvent;
 }
 
-class RenderWidgetHostImpl;
 class ImageTransportClient;
 
 class RenderWidgetHostViewAura
@@ -49,7 +49,7 @@ class RenderWidgetHostViewAura
 
   // RenderWidgetHostView implementation.
   virtual void InitAsChild(gfx::NativeView parent_view) OVERRIDE;
-  virtual RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE;
+  virtual content::RenderWidgetHost* GetRenderWidgetHost() const OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual void SetBounds(const gfx::Rect& rect) OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
@@ -166,7 +166,7 @@ class RenderWidgetHostViewAura
   friend class content::RenderWidgetHostView;
 
   // Should construct only via RenderWidgetHostView::CreateViewForWidget.
-  explicit RenderWidgetHostViewAura(RenderWidgetHost* host);
+  explicit RenderWidgetHostViewAura(content::RenderWidgetHost* host);
 
  private:
   class WindowObserver;
@@ -201,7 +201,7 @@ class RenderWidgetHostViewAura
   ui::Compositor* GetCompositor();
 
   // The model object.
-  RenderWidgetHostImpl* host_;
+  content::RenderWidgetHostImpl* host_;
 
   aura::Window* window_;