Do not calculate composition bounds until IME requests.

content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java

Index: content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
index c52b32457b7907883dd501925ab411e3f2c5b903..f6be5a8a1055dbb0808ec92eea259883da2e5817 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
@@ -57,6 +57,8 @@ public class ImeAdapter {
 
     private static final int COMPOSITION_KEY_CODE = 229;
 
+    private static final int DISABLE_CURSOR_UPDATE = 0;
+
     /**
      * Interface for the delegate that needs to be notified of IME changes.
      */
@@ -193,7 +195,7 @@ public class ImeAdapter {
                 mLastSelectionStart, mLastSelectionEnd, outAttrs));
         if (DEBUG_LOGS) Log.w(TAG, "onCreateInputConnection: " + mInputConnection);
         if (mCursorAnchorInfoController != null) {
-            mCursorAnchorInfoController.resetMonitoringState();
+            onRequestCursorUpdates(DISABLE_CURSOR_UPDATE);
         }
         return mInputConnection;
     }
@@ -661,6 +663,9 @@ public class ImeAdapter {
      * Notified when IME requested Chrome to change the cursor update mode.
      */
     public boolean onRequestCursorUpdates(int cursorUpdateMode) {
+        if (mNativeImeAdapterAndroid != 0) {
+            nativeRequestCursorUpdate(mNativeImeAdapterAndroid, cursorUpdateMode);
+        }
         if (mCursorAnchorInfoController == null) return false;
         return mCursorAnchorInfoController.onRequestCursorUpdates(cursorUpdateMode,
                 mViewEmbedder.getAttachedView());
@@ -718,7 +723,8 @@ public class ImeAdapter {
     @CalledByNative
     private void setCharacterBounds(float[] characterBounds) {
         if (mCursorAnchorInfoController == null) return;
-        mCursorAnchorInfoController.setCompositionCharacterBounds(characterBounds);
+        mCursorAnchorInfoController.setCompositionCharacterBounds(characterBounds,
+                mViewEmbedder.getAttachedView());
     }
 
     @CalledByNative
@@ -750,5 +756,6 @@ public class ImeAdapter {
             int before, int after);
     private native void nativeResetImeAdapter(long nativeImeAdapterAndroid);
     private native boolean nativeRequestTextInputStateUpdate(long nativeImeAdapterAndroid);
+    private native void nativeRequestCursorUpdate(long nativeImeAdapterAndroid, int mode);
     private native boolean nativeIsImeThreadEnabled(long nativeImeAdapterAndroid);
 }