Revert of Do not calculate composition bounds until IME requests.

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 2bb04db839bd712ebae9994cdffacc8666754dae..27f71b3bc552e5e10c871e9a0b774a5ea8bfee01 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -350,9 +350,7 @@
   // changed. If they are changed, the new value will be sent to the browser
   // process. This method does nothing when the browser process is not able to
   // handle composition range and composition character bounds.
-  // If immediate_request is true, render sends the latest composition info to
-  // the browser even if the composition info is not changed.
-  void UpdateCompositionInfo(bool immediate_request);
+  void UpdateCompositionInfo(bool should_update_range);
 
   // Change the device ICC color profile while running a layout test.
   void SetDeviceColorProfileForTesting(const std::vector<char>& color_profile);
@@ -494,10 +492,6 @@
   void OnRequestTextInputStateUpdate();
 #endif
 
-  // Called by the browser process to update the cursor and composition
-  // information.
-  void OnRequestCompositionUpdate(bool immediate_request, bool monitor_request);
-
   // Notify the compositor about a change in viewport size. This should be
   // used only with auto resize mode WebWidgets, as normal WebWidgets should
   // go through OnResize.
@@ -742,9 +736,6 @@
   std::deque<blink::WebTextInputInfo> text_input_info_history_;
 #endif
 
-  // True if the IME requests updated composition info.
-  bool monitor_composition_info_;
-
   std::unique_ptr<RenderWidgetScreenMetricsEmulator> screen_metrics_emulator_;
 
   // Popups may be displaced when screen metrics emulation is enabled.