Suppress frame requests in InputMethodController::textInputType()

third_party/WebKit/Source/core/editing/InputMethodController.cpp

Index: third_party/WebKit/Source/core/editing/InputMethodController.cpp
diff --git a/third_party/WebKit/Source/core/editing/InputMethodController.cpp b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
index 5b46a96cc3e4b46234b9885ed4e2c95a28259f69..36fd3845807c24fbba7acbbffced0ab42ebf1bbe 100644
--- a/third_party/WebKit/Source/core/editing/InputMethodController.cpp
+++ b/third_party/WebKit/Source/core/editing/InputMethodController.cpp
@@ -45,6 +45,8 @@
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutTheme.h"
 #include "core/page/ChromeClient.h"
+#include "core/page/Page.h"
+#include "core/page/PageAnimator.h"
 
 namespace blink {
 
@@ -1182,11 +1184,19 @@ WebTextInputType InputMethodController::textInputType() const {
   // It's important to preserve the equivalence of textInputInfo().type and
   // textInputType(), so perform the same rootEditableElement() existence check
   // here for consistency.
-  if (!frame()
-           .selection()
-           .computeVisibleSelectionInDOMTreeDeprecated()
-           .rootEditableElement())
-    return WebTextInputTypeNone;
+  {
+    // TODO(alancutter): Move this frame request supression logic up into
+    // BeginMainFrame.
+    PageAnimator::FrameRequestSuppressionScope suppressFrameRequests(
+        frame().page() ? &frame().page()->animator() : nullptr);
+
+    if (!frame()
+             .selection()
+             .computeVisibleSelectionInDOMTreeDeprecated()
+             .rootEditableElement()) {
+      return WebTextInputTypeNone;
+    }
+  }
 
   if (!isAvailable())
     return WebTextInputTypeNone;