[ios] Cleanup TabGrid imports

Cleanup imports in TabGrid.

Bug: 923973
Change-Id: I148ea89bf77b7a32ee141c80bb1fb30a556852b8
Reviewed-on: https://chromium-review.googlesource.com/c/1426402
Commit-Queue: edchin <edchin@chromium.org>
Reviewed-by: edchin <edchin@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625139}

ios/chrome/browser/ui/tab_grid/grid/grid_commands.h

@@ -5,6 +5,8 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_COMMANDS_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_COMMANDS_H_
 
+#import <Foundation/Foundation.h>
+
 // Commands issued to a model backing a grid UI.
 @protocol GridCommands
 // Tells the receiver to insert a new item at the end of the list.

ios/chrome/browser/ui/tab_grid/grid/grid_constants.h

@@ -5,6 +5,7 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_CONSTANTS_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_CONSTANTS_H_
 
+#include <CoreGraphics/CoreGraphics.h>
 #import <UIKit/UIKit.h>
 
 // Accessibility identifier prefix of a grid cell. To reference a specific cell,

ios/chrome/browser/ui/tab_grid/grid/grid_consumer.h

@@ -5,6 +5,8 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_CONSUMER_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_CONSUMER_H_
 
+#import <Foundation/Foundation.h>
+
 @class GridItem;
 
 // Supports idempotent insert/delete/updates to a grid.

ios/chrome/browser/ui/tab_grid/grid/grid_empty_view.h

@@ -5,6 +5,8 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_EMPTY_VIEW_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_GRID_GRID_EMPTY_VIEW_H_
 
+#import <UIKit/UIKit.h>
+
 // Protocol defining the interface of the view displayed when the grid is empty.
 @protocol GridEmptyView
 

ios/chrome/browser/ui/tab_grid/tab_grid_adaptor.mm

@@ -4,15 +4,13 @@
 
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_adaptor.h"
 
+#import "base/logging.h"
 #import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/ui/main/view_controller_swapping.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_paging.h"
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_url_loader.h"
-
 #import "ios/web/public/navigation_manager.h"
 
-#import "base/logging.h"
-
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif

ios/chrome/browser/ui/tab_grid/tab_grid_constants.h

@@ -5,7 +5,8 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_CONSTANTS_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_CONSTANTS_H_
 
-#import <UIKit/UIKit.h>
+#include <CoreGraphics/CoreGraphics.h>
+#import <Foundation/Foundation.h>
 
 // Accessibility identifiers for automated testing.
 extern NSString* const kTabGridIncognitoTabsPageButtonIdentifier;

ios/chrome/browser/ui/tab_grid/tab_grid_empty_state_view.h

@@ -5,6 +5,7 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_EMPTY_STATE_VIEW_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_EMPTY_STATE_VIEW_H_
 
+#include <CoreGraphics/CoreGraphics.h>
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/browser/ui/tab_grid/grid/grid_empty_view.h"

ios/chrome/browser/ui/tab_grid/tab_grid_page_control.h

@@ -5,6 +5,7 @@
 #ifndef IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_PAGE_CONTROL_H_
 #define IOS_CHROME_BROWSER_UI_TAB_GRID_TAB_GRID_PAGE_CONTROL_H_
 
+#include <CoreGraphics/CoreGraphics.h>
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/browser/ui/tab_grid/tab_grid_paging.h"