Remove FILE_MANAGER_EXTENSION and related configuration. They can be folded back to Chrome OS as co…

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index d005e6e897f3888b292de0925941a3f5f4d425be..4aee1ca834c99715e8e84520e31fc548fa0bb92c 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -274,9 +274,6 @@
       # Note: this setting is ignored if buildtype=="Official".
       'tracing_like_official_build%': 0,
 
-      # Disable file manager component extension by default.
-      'file_manager_extension%': 0,
-
       # Disable image loader component extension by default.
       'image_loader_extension%': 0,
 
@@ -599,12 +596,10 @@
           'use_titlecase_in_grd_files%': 1,
         }],
 
-        # Enable file manager and image loader extensions on Chrome OS.
+        # Enable loader extensions on Chrome OS.
         ['chromeos==1', {
-          'file_manager_extension%': 1,
           'image_loader_extension%': 1,
         }, {
-          'file_manager_extension%': 0,
           'image_loader_extension%': 0,
         }],
 
@@ -904,7 +899,6 @@
     'enable_hidpi%': '<(enable_hidpi)',
     'enable_touch_ui%': '<(enable_touch_ui)',
     'use_xi2_mt%':'<(use_xi2_mt)',
-    'file_manager_extension%': '<(file_manager_extension)',
     'image_loader_extension%': '<(image_loader_extension)',
     'fastbuild%': '<(fastbuild)',
     'dcheck_always_on%': '<(dcheck_always_on)',
@@ -1690,9 +1684,6 @@
       ['use_ozone==1', {
         'grit_defines': ['-D', 'use_ozone'],
       }],
-      ['file_manager_extension==1', {
-        'grit_defines': ['-D', 'file_manager_extension'],
-      }],
       ['image_loader_extension==1', {
         'grit_defines': ['-D', 'image_loader_extension'],
       }],
@@ -2175,9 +2166,6 @@
       ['use_xi2_mt!=0 and use_x11==1', {
         'defines': ['USE_XI2_MT=<(use_xi2_mt)'],
       }],
-      ['file_manager_extension==1', {
-        'defines': ['FILE_MANAGER_EXTENSION=1'],
-      }],
       ['image_loader_extension==1', {
         'defines': ['IMAGE_LOADER_EXTENSION=1'],
       }],