Fix the double-tap to click gesture in touch accessibility mode.

chrome/browser/chromeos/accessibility/accessibility_manager.cc

Index: chrome/browser/chromeos/accessibility/accessibility_manager.cc
diff --git a/chrome/browser/chromeos/accessibility/accessibility_manager.cc b/chrome/browser/chromeos/accessibility/accessibility_manager.cc
index 625e9e88c8b123796f948477f8148790efdccd48..fc1eea799e41ca6bb225ab0b32c760a3a77f708c 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_manager.cc
+++ b/chrome/browser/chromeos/accessibility/accessibility_manager.cc
@@ -14,6 +14,7 @@
 #include "ash/autoclick/autoclick_controller.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/metrics/user_metrics_recorder.h"
+#include "ash/root_window_controller.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager.h"
@@ -796,6 +797,13 @@ void AccessibilityManager::HandleAccessibilityGesture(ui::AXGesture gesture) {
       extension_misc::kChromeVoxExtensionId, std::move(event));
 }
 
+void AccessibilityManager::SetTouchAccessibilityAnchorPoint(
+    const gfx::Point& anchor_point) {
+  ash::RootWindowController* root_window_controller =
+      ash::RootWindowController::ForTargetRootWindow();
+  root_window_controller->SetTouchAccessibilityAnchorPoint(anchor_point);
+}
+
 bool AccessibilityManager::IsHighContrastEnabled() {
   return high_contrast_enabled_;
 }