Rename UIActivityFindLoginActionSource to UIActivityURLSource.

ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm

Index: ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm
diff --git a/ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm b/ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm
index 282732c64f0f2e4598628c7b688176199ac177f3..e6bca6661360c1ea912dc1ae133e6c80feac955e 100644
--- a/ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm
+++ b/ios/chrome/browser/ui/activity_services/chrome_activity_item_source.mm
@@ -103,16 +103,16 @@
 
 @end
 
-#pragma mark - UIActivityFindLoginActionSource
+#pragma mark - UIActivityURLSource
 
-@interface UIActivityFindLoginActionSource () {
+@interface UIActivityURLSource () {
   NSString* _subject;
   NSURL* _url;
   ThumbnailGeneratorBlock _thumbnailGenerator;
 }
 @end
 
-@implementation UIActivityFindLoginActionSource
+@implementation UIActivityURLSource
 
 - (instancetype)init {
   NOTREACHED();