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 e1437b451ef82a6ccbdaa7bcdb0cfded5a8c3592..d5acca6f47ac329f96a1dc3761dcf9f8df43668f 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"
@@ -452,6 +453,7 @@ 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),
@@ -942,6 +944,11 @@ 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.
@@ -1035,6 +1042,8 @@ void RenderWidgetHostViewAndroid::FocusedNodeChanged(
     const gfx::Rect& node_bounds_in_screen) {
   if (ime_adapter_android_)
     ime_adapter_android_->FocusedNodeChanged(is_editable_node);
+  if (text_suggestion_host_)
+    text_suggestion_host_->FocusedNodeChanged();
 }
 
 void RenderWidgetHostViewAndroid::RenderProcessGone(