Move fetching logic out of ApplicationManager, eliminate url mappings.

mojo/fetcher/network_fetcher.cc

Index: mojo/fetcher/network_fetcher.cc
diff --git a/mojo/shell/network_fetcher.cc b/mojo/fetcher/network_fetcher.cc
similarity index 96%
rename from mojo/shell/network_fetcher.cc
rename to mojo/fetcher/network_fetcher.cc
index c520477faf7247cf78f06341c4b73360c9c60c9b..24a11688c30eb289df18db9301fa118a3ba6af15 100644
--- a/mojo/shell/network_fetcher.cc
+++ b/mojo/fetcher/network_fetcher.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "mojo/shell/network_fetcher.h"
+#include "mojo/fetcher/network_fetcher.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ -27,7 +27,7 @@
 #include "mojo/shell/switches.h"
 
 namespace mojo {
-namespace shell {
+namespace fetcher {
 
 NetworkFetcher::NetworkFetcher(bool disable_cache,
                                mojo::URLRequestPtr request,
@@ -208,14 +208,14 @@ std::string NetworkFetcher::MimeType() {
 
 bool NetworkFetcher::HasMojoMagic() {
   std::string magic;
-  return BlockingPeekNBytes(response_->body.get(), &magic, strlen(kMojoMagic),
-                            kPeekTimeout) &&
+  return shell::BlockingPeekNBytes(response_->body.get(), &magic,
+                                   strlen(kMojoMagic), kPeekTimeout) &&
          magic == kMojoMagic;
 }
 
 bool NetworkFetcher::PeekFirstLine(std::string* line) {
-  return BlockingPeekLine(response_->body.get(), line, kMaxShebangLength,
-                          kPeekTimeout);
+  return shell::BlockingPeekLine(response_->body.get(), line, kMaxShebangLength,
+                                 kPeekTimeout);
 }
 
 void NetworkFetcher::StartNetworkRequest(mojo::URLRequestPtr request,
@@ -254,5 +254,5 @@ void NetworkFetcher::OnLoadComplete(URLResponsePtr response) {
   loader_callback_.Run(owner.Pass());
 }
 
-}  // namespace shell
+}  // namespace fetcher
 }  // namespace mojo