Mandoline UI Process: Update namespaces and file names

components/web_view/frame_tree.h

Index: components/web_view/frame_tree.h
diff --git a/components/web_view/frame_tree.h b/components/web_view/frame_tree.h
index ad457d9f2043164cab4bef1ba26d38fd0bb4eafb..64595c88849bb6ebcbaa93f1439a5ab2da65490e 100644
--- a/components/web_view/frame_tree.h
+++ b/components/web_view/frame_tree.h
@@ -32,7 +32,7 @@ class FrameTree {
   // |root_app_id| is a unique identifier of the app providing |root_client|.
   // See Frame for details on app id's.
   FrameTree(uint32_t root_app_id,
-            mojo::View* view,
+            mus::View* view,
             mojo::ViewTreeClientPtr view_tree_client,
             FrameTreeDelegate* delegate,
             FrameTreeClient* root_client,
@@ -66,7 +66,7 @@ class FrameTree {
                              const mojo::String& name,
                              const mojo::Array<uint8_t>& value);
 
-  mojo::View* view_;
+  mus::View* view_;
 
   FrameTreeDelegate* delegate_;