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

chrome/browser/extensions/extension_function.h

Index: chrome/browser/extensions/extension_function.h
diff --git a/chrome/browser/extensions/extension_function.h b/chrome/browser/extensions/extension_function.h
index b595fb598c00d0af0718847d48ecf5a92bb377a6..45c73260107c0d335177f00993859b5f0caeed13 100644
--- a/chrome/browser/extensions/extension_function.h
+++ b/chrome/browser/extensions/extension_function.h
@@ -31,13 +31,16 @@ class UIThreadExtensionFunction;
 class IOThreadExtensionFunction;
 class Profile;
 class QuotaLimitHeuristic;
-class RenderViewHost;
 
 namespace base {
 class ListValue;
 class Value;
 }
 
+namespace content {
+class RenderViewHost;
+}
+
 #define EXTENSION_FUNCTION_VALIDATE(test) do { \
     if (!(test)) { \
       bad_message_ = true; \
@@ -237,8 +240,10 @@ class UIThreadExtensionFunction : public ExtensionFunction {
   void set_profile(Profile* profile) { profile_ = profile; }
   Profile* profile() const { return profile_; }
 
-  void SetRenderViewHost(RenderViewHost* render_view_host);
-  RenderViewHost* render_view_host() const { return render_view_host_; }
+  void SetRenderViewHost(content::RenderViewHost* render_view_host);
+  content::RenderViewHost* render_view_host() const {
+    return render_view_host_;
+  }
 
   void set_dispatcher(
       const base::WeakPtr<ExtensionFunctionDispatcher>& dispatcher) {
@@ -279,7 +284,7 @@ class UIThreadExtensionFunction : public ExtensionFunction {
   base::WeakPtr<ExtensionFunctionDispatcher> dispatcher_;
 
   // The RenderViewHost we will send responses too.
-  RenderViewHost* render_view_host_;
+  content::RenderViewHost* render_view_host_;
 
   // The Profile of this function's extension.
   Profile* profile_;
@@ -296,14 +301,14 @@ class UIThreadExtensionFunction : public ExtensionFunction {
                                 public content::RenderViewHostObserver {
    public:
     RenderViewHostTracker(UIThreadExtensionFunction* function,
-                          RenderViewHost* render_view_host);
+                          content::RenderViewHost* render_view_host);
    private:
     virtual void Observe(int type,
                          const content::NotificationSource& source,
                          const content::NotificationDetails& details) OVERRIDE;
 
     virtual void RenderViewHostDestroyed(
-        RenderViewHost* render_view_host) OVERRIDE;
+        content::RenderViewHost* render_view_host) OVERRIDE;
     virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
     UIThreadExtensionFunction* function_;