[iOS][tabmodel] Remove unused header for tabmodel use.

This Cl removes unused headers for TabModel use and cleans the gn files.

Bug: 1045575, 1050138, 1049845
Change-Id: I05dd5a083d15f70642a49541f2b80bc238db18dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2144967Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Nazerke Kalidolda <nazerke@google.com>
Cr-Commit-Position: refs/heads/master@{#758802}

ios/chrome/app/application_delegate/metrics_mediator_unittest.mm

@@ -13,7 +13,6 @@
 #import "ios/chrome/browser/main/test_browser.h"
 #import "ios/chrome/browser/metrics/previous_session_info.h"
 #import "ios/chrome/browser/metrics/previous_session_info_private.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/ui/main/browser_interface_provider.h"
 #import "ios/chrome/browser/ui/main/scene_state.h"
 #import "ios/chrome/browser/ui/main/test/fake_scene_state.h"

ios/chrome/app/application_delegate/url_opener_unittest.mm

@@ -12,7 +12,6 @@
 #include "ios/chrome/app/application_delegate/startup_information.h"
 #include "ios/chrome/app/startup/chrome_app_startup_parameters.h"
 #include "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/ui/main/test/stub_browser_interface.h"
 #import "ios/chrome/browser/ui/main/test/stub_browser_interface_provider.h"
 #import "ios/chrome/browser/url_loading/url_loading_params.h"

ios/chrome/app/chrome_overlay_window.mm

@@ -9,7 +9,6 @@
 #import "ios/chrome/browser/metrics/drag_and_drop_recorder.h"
 #import "ios/chrome/browser/metrics/size_class_recorder.h"
 #import "ios/chrome/browser/metrics/user_interface_style_recorder.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/ui/util/ui_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)

ios/chrome/app/tab_opener_unittest.mm

@@ -9,7 +9,6 @@
 #include "ios/chrome/app/application_delegate/startup_information.h"
 #import "ios/chrome/app/application_delegate/tab_opening.h"
 #import "ios/chrome/app/application_delegate/url_opener.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/ui/main/scene_controller.h"
 #import "ios/chrome/browser/ui/main/scene_state.h"
 #import "ios/testing/scoped_block_swizzler.h"

ios/chrome/browser/metrics/BUILD.gn

@@ -180,7 +180,6 @@ source_set("metrics_internal") {
     "//components/google/core/common",
     "//ios/chrome/browser",
     "//ios/chrome/browser/browser_state",
-    "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/ui/util",
     "//ios/chrome/browser/web_state_list",
     "//ios/web",

ios/chrome/browser/metrics/new_tab_page_uma.mm

@@ -8,8 +8,6 @@
 #include "components/google/core/common/google_util.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
-#import "ios/chrome/browser/tabs/tab_model_list.h"
 #import "ios/chrome/browser/web_state_list/web_state_list.h"
 #import "ios/web/public/web_state.h"
 #include "url/gurl.h"

ios/chrome/browser/ui/settings/google_services/google_services_settings_app_interface.mm

@@ -5,7 +5,6 @@
 #import "ios/chrome/browser/ui/settings/google_services/google_services_settings_app_interface.h"
 
 #import "ios/chrome/app/main_controller.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/web_state_list/web_state_list.h"
 #import "ios/chrome/test/app/chrome_test_util.h"
 #import "ios/chrome/test/app/tab_test_util.h"

ios/chrome/browser/url_loading/BUILD.gn

@@ -36,7 +36,6 @@ source_set("url_loading") {
     "//ios/chrome/browser/prerender",
     "//ios/chrome/browser/sessions",
     "//ios/chrome/browser/snapshots",
-    "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/ui/commands",
     "//ios/chrome/browser/ui/ntp:util",
     "//ios/chrome/browser/web",
@@ -76,7 +75,6 @@ source_set("unit_tests") {
     "//ios/chrome/browser/main:test_support",
     "//ios/chrome/browser/ntp",
     "//ios/chrome/browser/search_engines",
-    "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/web",
     "//ios/chrome/browser/web:web_internal",
     "//ios/chrome/browser/web_state_list",

ios/chrome/browser/url_loading/scene_url_loading_service.mm

@@ -7,7 +7,6 @@
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #import "ios/chrome/browser/main/browser.h"
 #import "ios/chrome/browser/snapshots/snapshot_tab_helper.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/url_loading/url_loading_browser_agent.h"
 #import "ios/chrome/browser/url_loading/url_loading_params.h"
 #import "ios/chrome/browser/web_state_list/web_state_list.h"

ios/chrome/browser/url_loading/url_loading_browser_agent_unittest.mm

@@ -14,8 +14,6 @@
 #include "ios/chrome/browser/main/test_browser.h"
 #import "ios/chrome/browser/ntp/new_tab_page_tab_helper.h"
 #import "ios/chrome/browser/ntp/new_tab_page_tab_helper_delegate.h"
-#import "ios/chrome/browser/tabs/tab_helper_util.h"
-#import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/url_loading/scene_url_loading_service.h"
 #import "ios/chrome/browser/url_loading/test_scene_url_loading_service.h"
 #import "ios/chrome/browser/url_loading/url_loading_notifier_browser_agent.h"