Cleanup: Remove more unused flag resources or mark them as platform-specific.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
===================================================================
--- chrome/browser/about_flags.cc	(revision 270335)
+++ chrome/browser/about_flags.cc	(working copy)
@@ -10,7 +10,6 @@
 #include <set>
 #include <utility>
 
-#include "ash/ash_switches.h"
 #include "base/command_line.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string_number_conversions.h"
@@ -99,7 +98,7 @@
 CommandLine::StringType GetSwitchString(const std::string& flag) {
   CommandLine cmd_line(CommandLine::NO_PROGRAM);
   cmd_line.AppendSwitch(flag);
-  DCHECK(cmd_line.argv().size() == 2);
+  DCHECK_EQ(2U, cmd_line.argv().size());
   return cmd_line.argv()[1];
 }
 
@@ -1223,7 +1222,7 @@
     kOsDesktop,
     MULTI_VALUE_TYPE(kLCDTextChoices)
   },
-#ifndef USE_AURA
+#if defined(OS_ANDROID)

[piman, 2014/05/15 16:57:47]

Actually, we want this on mac too.

[Lei Zhang, 2014/05/20 02:38:21]

Are you going to do that in a different CL soon? As is, since
|supported_platforms| == kOsAndroid, this might as well just be inside a #if
defined(OS_ANDROID) block.

[piman, 2014/05/20 02:50:58]

Basic support just got added last week -
https://codereview.chromium.org/267073003

I'm not sure when Chris intends to add a flag, but I suppose we could do that
soon.

   {
     "delegated-renderer",
     IDS_FLAGS_DELEGATED_RENDERER_NAME,