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

content/browser/tab_contents/web_contents_view_android.cc

Index: content/browser/tab_contents/web_contents_view_android.cc
diff --git a/content/browser/tab_contents/web_contents_view_android.cc b/content/browser/tab_contents/web_contents_view_android.cc
index 4c26f73c80bcdea6c163449d2f31157228962890..cc677896b4252eb2b6371c67d1c097e3238c776d 100644
--- a/content/browser/tab_contents/web_contents_view_android.cc
+++ b/content/browser/tab_contents/web_contents_view_android.cc
@@ -20,7 +20,7 @@ void WebContentsViewAndroid::CreateView(const gfx::Size& initial_size) {
 }
 
 content::RenderWidgetHostView* WebContentsViewAndroid::CreateViewForWidget(
-    RenderWidgetHost* render_widget_host) {
+    content::RenderWidgetHost* render_widget_host) {
   NOTIMPLEMENTED();
   return NULL;
 }
@@ -57,7 +57,7 @@ void WebContentsViewAndroid::SizeContents(const gfx::Size& size) {
   NOTIMPLEMENTED();
 }
 
-void WebContentsViewAndroid::RenderViewCreated(RenderViewHost* host) {
+void WebContentsViewAndroid::RenderViewCreated(content::RenderViewHost* host) {
   NOTIMPLEMENTED();
 }