Remove unused mojo binding.h includes in //components

This CL cleans up unnecessary mojo/public/cpp/bindings/binding.h
includes in //components

Bug: 955171
Change-Id: Ibad97989f0c3136fa9e5bf72ca1ed2438eb0b40a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1977889Reviewed-by: Chris Hamilton <chrisha@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: Gyuyoung Kim <gyuyoung@igalia.com>
Cr-Commit-Position: refs/heads/master@{#728838}

components/arc/session/arc_session_impl_unittest.cc

@@ -25,7 +25,6 @@
 #include "components/user_manager/fake_user_manager.h"
 #include "components/user_manager/scoped_user_manager.h"
 #include "components/version_info/channel.h"
-#include "mojo/public/cpp/bindings/binding.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace arc {

components/arc/test/fake_app_instance.h

@@ -12,7 +12,6 @@
 
 #include "base/macros.h"
 #include "components/arc/mojom/app.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
 
 namespace arc {
 

components/arc/test/fake_bluetooth_instance.h

@@ -10,7 +10,6 @@
 
 #include "base/macros.h"
 #include "components/arc/mojom/bluetooth.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
 
 namespace device {
 class BluetoothUUID;

components/arc/volume_mounter/arc_volume_mounter_bridge.h

@@ -14,7 +14,6 @@
 #include "components/arc/session/connection_observer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_change_registrar.h"
-#include "mojo/public/cpp/bindings/binding.h"
 
 namespace content {
 class BrowserContext;

components/download/public/common/download_file_impl.h

@@ -30,7 +30,6 @@
 #include "components/download/public/common/download_save_info.h"
 #include "components/download/public/common/rate_estimator.h"
 #include "components/services/quarantine/public/mojom/quarantine.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/system/simple_watcher.h"
 
 namespace download {

components/performance_manager/graph/node_base.h

@@ -16,7 +16,6 @@
 #include "components/performance_manager/graph/graph_impl.h"
 #include "components/performance_manager/graph/node_type.h"
 #include "components/performance_manager/graph/properties.h"
-#include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"