Add support for Android spellcheck menu in Chrome/WebViews

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 591ca19da78cb46fa298fae8cf2f86548a71dcfc..c32a1d04f024eb98cade8a32fd13f81b67fb9521 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -43,6 +43,7 @@
 #include "content/browser/android/overscroll_controller_android.h"
 #include "content/browser/android/selection_popup_controller.h"
 #include "content/browser/android/synchronous_compositor_host.h"
+#include "content/browser/android/text_suggestion_host_android.h"
 #include "content/browser/compositor/surface_utils.h"
 #include "content/browser/devtools/render_frame_devtools_agent_host.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
@@ -455,6 +456,7 @@ RenderWidgetHostViewAndroid::RenderWidgetHostViewAndroid(
       content_view_core_(nullptr),
       ime_adapter_android_(nullptr),
       selection_popup_controller_(nullptr),
+      text_suggestion_host_(nullptr),
       background_color_(SK_ColorWHITE),
       cached_background_color_(SK_ColorWHITE),
       view_(this),
@@ -965,6 +967,11 @@ bool RenderWidgetHostViewAndroid::OnTouchEvent(
 
   ComputeEventLatencyOSTouchHistograms(event);
 
+  // Receiving any other touch event before the double-tap timeout expires
+  // cancels opening the spellcheck menu.
+  if (text_suggestion_host_)
+    text_suggestion_host_->StopSpellCheckMenuTimer();
+
   // If a browser-based widget consumes the touch event, it's critical that
   // touch event interception be disabled. This avoids issues with
   // double-handling for embedder-detected gestures like side swipe.
@@ -1826,6 +1833,11 @@ void RenderWidgetHostViewAndroid::SendKeyEvent(
   if (!target_host)
     return;
 
+  // Receiving a key event before the double-tap timeout expires cancels opening
+  // the spellcheck menu. If the suggestion menu is open, we close the menu.
+  if (text_suggestion_host_)
+    text_suggestion_host_->OnKeyEvent();
+
   ui::LatencyInfo latency_info;
   if (event.GetType() == blink::WebInputEvent::kRawKeyDown ||
       event.GetType() == blink::WebInputEvent::kChar) {