Simplify mojo_shell since it's now only used for Mandoline.

mojo/shell/switches.cc

Index: mojo/shell/switches.cc
diff --git a/mojo/shell/switches.cc b/mojo/shell/switches.cc
index 2150b1970102ca93fb957fdd7179c86883525172..28e7d058a41a77440e2d23c48a47cf79ff902f3f 100644
--- a/mojo/shell/switches.cc
+++ b/mojo/shell/switches.cc
@@ -8,18 +8,6 @@
 
 namespace switches {
 
-namespace {
-// This controls logging verbosity. It's not strictly a switch for mojo_shell,
-// and isn't included in the public switches, but is included here so that it
-// doesn't trigger an error at startup.
-const char kV[] = "v";
-
-}  // namespace
-
-// Specify configuration arguments for a Mojo application URL. For example:
-// --args-for='mojo:wget http://www.google.com'
-const char kArgsFor[] = "args-for";
-
 // Used internally by the main process to indicate that a new process should be
 // a child process. Not for user use.
 const char kChildProcess[] = "child-process";
@@ -67,34 +55,4 @@ const char kPredictableAppFilenames[] = "predictable-app-filenames";
 // seconds or when the shell exits.
 const char kTraceStartup[] = "trace-startup";
 
-// Specifies a set of mappings to apply when resolving urls. The value is a set
-// of ',' separated mappings, where each mapping consists of a pair of urls
-// giving the to/from url to map. For example, 'a=b,c=d' contains two mappings,
-// the first maps 'a' to 'b' and the second 'c' to 'd'.
-const char kURLMappings[] = "url-mappings";
-
-// Switches valid for the main process (i.e., that the user may pass in).
-const char* kSwitchArray[] = {kV,
-                              kArgsFor,
-                              // |kChildProcess| not for user use.
-                              kContentHandlers,
-                              kDisableCache,
-                              kDontDeleteOnDownload,
-                              kEnableMultiprocess,
-                              kForceInProcess,
-                              kHelp,
-                              kMapOrigin,
-                              kOrigin,
-                              kPredictableAppFilenames,
-                              kTraceStartup,
-                              kURLMappings};
-
-const std::set<std::string> GetAllSwitches() {
-  std::set<std::string> switch_set;
-
-  for (size_t i = 0; i < arraysize(kSwitchArray); ++i)
-    switch_set.insert(kSwitchArray[i]);
-  return switch_set;
-}
-
 }  // namespace switches