Cleanup: Remove most enable_extensions logic in chrome/ extensions code.

chrome/common/extensions/chrome_utility_extensions_messages.h

Index: chrome/common/extensions/chrome_utility_extensions_messages.h
diff --git a/chrome/common/extensions/chrome_utility_extensions_messages.h b/chrome/common/extensions/chrome_utility_extensions_messages.h
index 1d808bc9503028fe59a0dce7afc1331fb6ae665b..e9d545f364a5d585b31fcff5af80e4aabdd1e582 100644
--- a/chrome/common/extensions/chrome_utility_extensions_messages.h
+++ b/chrome/common/extensions/chrome_utility_extensions_messages.h
@@ -66,12 +66,10 @@ IPC_STRUCT_TRAITS_BEGIN(picasa::FolderINIContents)
 IPC_STRUCT_TRAITS_END()
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
 IPC_STRUCT_TRAITS_BEGIN(metadata::AttachedImage)
   IPC_STRUCT_TRAITS_MEMBER(type)
   IPC_STRUCT_TRAITS_MEMBER(data)
 IPC_STRUCT_TRAITS_END()
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 //------------------------------------------------------------------------------
 // Utility process messages:
@@ -130,7 +128,6 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_IndexPicasaAlbumsContents,
                      std::vector<picasa::FolderINIContents> /* folders_inis */)
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
 // Tell the utility process to attempt to validate the passed media file. The
 // file will undergo basic sanity checks and will be decoded for up to
 // |milliseconds_of_decoding| wall clock time. It is still not safe to decode
@@ -147,7 +144,6 @@ IPC_MESSAGE_CONTROL3(ChromeUtilityMsg_ParseMediaMetadata,
 IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_RequestBlobBytes_Finished,
                      int64 /* request_id */,
                      std::string /* bytes */)
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 // Requests that the utility process write the contents of the source file to
 // the removable drive listed in the target file. The target will be restricted
@@ -243,7 +239,6 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_IndexPicasaAlbumsContents_Finished,
                      picasa::AlbumImagesMap /* albums_images */)
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
-#if !defined(OS_ANDROID) && !defined(OS_IOS)
 // Reply after checking the passed media file. A true result indicates that
 // the file appears to be a well formed media file.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_CheckMediaFile_Finished,
@@ -259,7 +254,6 @@ IPC_MESSAGE_CONTROL3(ChromeUtilityHostMsg_RequestBlobBytes,
                      int64 /* request_id */,
                      int64 /* start_byte */,
                      int64 /* length */)
-#endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 // Reply when a write or verify operation succeeds.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Succeeded)