Move ContentSuggestions identifiers to custom target

ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.mm

Index: ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestions_section_information.mm b/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.mm
similarity index 84%
rename from ios/chrome/browser/ui/content_suggestions/content_suggestions_section_information.mm
rename to ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.mm
index 14b05cc5db14d988fad6907ceb721f2131c7fd3a..8467276e760d376c2d7271f4a3500e8be4029b78 100644
--- a/ios/chrome/browser/ui/content_suggestions/content_suggestions_section_information.mm
+++ b/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.mm
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_section_information.h"
+#import "ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h"
 
 #include "base/logging.h"
 
@@ -12,7 +12,6 @@
 
 @implementation ContentSuggestionsSectionInformation
 
-@synthesize emptyCell = _emptyCell;

[lpromero, 2017/03/20 15:16:01]

This was unused?

[gambard, 2017/03/20 15:35:15]

Yes. I will add a title/subtitle string for the empty cell, it makes more sense
to have the CollectionView choosing the type of cell it wants to display than
passing it the cell.

[lpromero, 2017/03/20 15:42:08]

Definitely. Thanks!

lgtm

 @synthesize layout = _layout;
 @synthesize sectionID = _sectionID;
 @synthesize title = _title;