[Installer] Cleaning up dead code for App Launcher / App Host installs.

chrome/installer/util/channel_info.h

Index: chrome/installer/util/channel_info.h
diff --git a/chrome/installer/util/channel_info.h b/chrome/installer/util/channel_info.h
index f14811390af910d522735dfda1957096132e844c..60722b53fa3baea3b4c5f48037e0646a9b654b02 100644
--- a/chrome/installer/util/channel_info.h
+++ b/chrome/installer/util/channel_info.h
@@ -5,7 +5,7 @@
 #ifndef CHROME_INSTALLER_UTIL_CHANNEL_INFO_H_
 #define CHROME_INSTALLER_UTIL_CHANNEL_INFO_H_
 
-#include <string>
+#include "base/strings/string16.h"
 
 namespace base {
 namespace win {
@@ -31,8 +31,8 @@ class ChannelInfo {
   // Returns false if the value could not be written to the registry.
   bool Write(base::win::RegKey* key) const;
 
-  const std::wstring& value() const { return value_; }
-  void set_value(const std::wstring& value) { value_ = value; }
+  const base::string16& value() const { return value_; }
+  void set_value(const base::string16& value) { value_ = value; }
   bool Equals(const ChannelInfo& other) const {
     return value_ == other.value_;
   }
@@ -41,7 +41,7 @@ class ChannelInfo {
   // results are the empty string (stable channel), "beta", and "dev".  Returns
   // false (without modifying |channel_name|) if the channel could not be
   // determined.
-  bool GetChannelName(std::wstring* channel_name) const;
+  bool GetChannelName(base::string16* channel_name) const;
 
   // Returns true if the -chrome modifier is present in the value.
   bool IsChrome() const;
@@ -57,11 +57,12 @@ class ChannelInfo {
   // modified.
   bool SetChromeFrame(bool value);
 
-  // Returns true if the -applauncher modifier is present in the value.
+  // (Deprecated) Returns true if the -applauncher modifier is present in the
+  // value.
   bool IsAppLauncher() const;
 
-  // Adds or removes the -applauncher modifier, returning true if the value is
-  // modified.
+  // (Deprecated) Adds or removes the -applauncher modifier, returning true if
+  // the value is modified.
   bool SetAppLauncher(bool value);
 
   // Returns true if the -multi modifier is present in the value.
@@ -85,7 +86,7 @@ class ChannelInfo {
 
   // Returns the string identifying the current stage, or an empty string if the
   // -stage: modifier is not present in the value.
-  std::wstring GetStage() const;
+  base::string16 GetStage() const;
 
   // Returns true if the -full suffix is present in the value.
   bool HasFullSuffix() const;
@@ -113,7 +114,7 @@ class ChannelInfo {
   bool RemoveAllModifiersAndSuffixes();
 
  private:
-  std::wstring value_;
+  base::string16 value_;
 };  // class ChannelInfo
 
 }  // namespace installer