Do not calculate composition bounds until IME requests.

content/browser/renderer_host/ime_adapter_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_IME_ADAPTER_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_IME_ADAPTER_ANDROID_H_
 
 #include <jni.h>
 
 #include <vector>
@@ skipping 60 matching lines @@
                                    int end);
   void SetComposingRegion(JNIEnv*,
                           const base::android::JavaParamRef<jobject>&,
                           int start,
                           int end);
   void DeleteSurroundingText(JNIEnv*,
                              const base::android::JavaParamRef<jobject>&,
                              int before,
                              int after);
   void ResetImeAdapter(JNIEnv*, const base::android::JavaParamRef<jobject>&);
+  void RequestCursorUpdate(JNIEnv*, const base::android::JavaParamRef<jobject>&,
+                           bool immediateRequest, bool monitorRequest);
   bool RequestTextInputStateUpdate(JNIEnv*,
                                    const base::android::JavaParamRef<jobject>&);
   bool IsImeThreadEnabled(JNIEnv*, const base::android::JavaParamRef<jobject>&);
 
   // Called from native -> java
   void CancelComposition();
   void FocusedNodeChanged(bool is_editable_node);
   void SetCharacterBounds(const std::vector<gfx::RectF>& rects);
 
  private:
   RenderWidgetHostImpl* GetRenderWidgetHostImpl();
   RenderFrameHost* GetFocusedFrame();
   WebContents* GetWebContents();
 
   RenderWidgetHostViewAndroid* rwhva_;
   JavaObjectWeakGlobalRef java_ime_adapter_;
 };
 
 bool RegisterImeAdapter(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_IME_ADAPTER_ANDROID_H_