Android: decouple mojo shell from the network service.

shell/mojo_url_resolver.cc

Index: shell/mojo_url_resolver.cc
diff --git a/shell/mojo_url_resolver.cc b/shell/mojo_url_resolver.cc
index 499c6bfcc1af3acef8317712aee93f2b6d3e1b82..1e77629a47259719688ce44784b499ff92a5bdb3 100644
--- a/shell/mojo_url_resolver.cc
+++ b/shell/mojo_url_resolver.cc
@@ -30,11 +30,10 @@ GURL AddTrailingSlashIfNeeded(const GURL& url) {
 MojoURLResolver::MojoURLResolver() {
   // Needed to treat first component of mojo URLs as host, not path.
   url::AddStandardScheme("mojo");
-
-  // By default, resolve mojo URLs to files living alongside the shell.
+  // By default assume that the local apps reside alongside the shell.
   base::FilePath path;
   PathService::Get(base::DIR_MODULE, &path);
-  default_base_url_ = AddTrailingSlashIfNeeded(FilePathToFileURL(path));
+  local_apps_url_ = AddTrailingSlashIfNeeded(FilePathToFileURL(path));
 }
 
 MojoURLResolver::~MojoURLResolver() {
@@ -47,6 +46,12 @@ void MojoURLResolver::SetBaseURL(const GURL& base_url) {
   base_url_ = AddTrailingSlashIfNeeded(base_url);
 }
 
+void MojoURLResolver::SetLocalAppsPath(const base::FilePath& local_apps_path) {
+  local_apps_url_ =
+      AddTrailingSlashIfNeeded(FilePathToFileURL(local_apps_path));
+  DCHECK(local_apps_url_.is_valid());
+}
+
 void MojoURLResolver::AddCustomMapping(const GURL& mojo_url,
                                        const GURL& resolved_url) {
   url_map_[mojo_url] = resolved_url;
@@ -68,7 +73,7 @@ GURL MojoURLResolver::Resolve(const GURL& mojo_url) const {
   if (!base_url_.is_valid() ||
       local_file_set_.find(mapped_url) != local_file_set_.end()) {
     // Resolve to a local file URL.
-    return default_base_url_.Resolve(lib);
+    return local_apps_url_.Resolve(lib);
   }
 
   // Otherwise, resolve to an URL relative to base_url_.