Add a ThreadLocal flag to replace the reflection in shouldTriggerDelayedOnCreateInputConnection()

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index d51e32f303eb6f4bf2248e4e6e07fc28bd275303..a86b3777d0e7e3387b167c49020e2a26bdcc19c9 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -47,6 +47,7 @@ import org.chromium.base.TraceEvent;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.content.browser.accessibility.BrowserAccessibilityManager;
 import org.chromium.content.browser.accessibility.captioning.CaptioningBridgeFactory;
 import org.chromium.content.browser.accessibility.captioning.SystemCaptioningBridge;
@@ -124,6 +125,19 @@ public class ContentViewCore implements AccessibilityStateChangeListener, Displa
     // expects HashSet (no bindings for interfaces).
     private final HashSet<Object> mRetainedJavaScriptObjects = new HashSet<Object>();
 
+    private static ThreadLocal<Boolean> sTriggerDelayedOnCreateInputConnection =
+            new ThreadLocal<Boolean>() {
+                @SuppressFBWarnings("CHROMIUM_SYNCHRONIZED_METHOD")
+                @Override
+                protected synchronized Boolean initialValue() {
+                    return true;
+                }
+            };
+
+    public void setTriggerDelayedOnCreateInputConnection(final boolean trigger) {
+        sTriggerDelayedOnCreateInputConnection.set(trigger);
+    }
+
     /**
      * A {@link WebContentsObserver} that listens to frame navigation events.
      */
@@ -1379,6 +1393,8 @@ public class ContentViewCore implements AccessibilityStateChangeListener, Displa
      * @see View#onCreateInputConnection(EditorInfo)
      */
     public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
+        mImeAdapter.setTriggerDelayedOnCreateInputConnection(
+                sTriggerDelayedOnCreateInputConnection.get());
         return mImeAdapter.onCreateInputConnection(outAttrs);
     }