[ObjC ARC] Converts ios/chrome/browser/ui/tools_menu:tools_menu to ARC.

ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h

Index: ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h
diff --git a/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h b/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h
index 4ef3a53374103bab516df963afb101a69c39e3e6..53c4fc675b42a3926da28c36703ca00415947ad4 100644
--- a/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h
+++ b/ios/chrome/browser/ui/tools_menu/tools_menu_view_controller.h
@@ -53,12 +53,12 @@ extern NSString* const kToolsMenuRequestMobileId;
 @property(nonatomic, assign) BOOL isCurrentPageBookmarked;
 @property(nonatomic, assign) BOOL isTabLoading;
 // The tool button to be shown hovering above the popup.
-@property(nonatomic, readonly) UIButton* toolsButton;
+@property(nonatomic, readonly, weak) UIButton* toolsButton;

[stkhapugin, 2017/06/15 15:43:55]

nit: this probably is strong

[marq (ping after 24h), 2017/06/16 12:11:14]

No, it's a property that exposes (and mutates as a side effect) a button owned
by another object.

 
 // Keeps track of the items in tools menu.
 @property(nonatomic, copy) NSArray* menuItems;
 
-@property(nonatomic, assign) id<ToolsPopupTableDelegate> delegate;
+@property(nonatomic, weak) id<ToolsPopupTableDelegate> delegate;
 
 // Initializes the Tools popup menu.
 - (void)initializeMenuWithConfiguration:(ToolsMenuConfiguration*)configuration;