Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

content/browser/renderer_host/ime_adapter_android.cc

Index: content/browser/renderer_host/ime_adapter_android.cc
diff --git a/content/browser/renderer_host/ime_adapter_android.cc b/content/browser/renderer_host/ime_adapter_android.cc
index ac820f5765c3a7bf214293e8271e7bba7951f972..7f116db63562e3a82fd1d8534d2ee41eabe7ae7f 100644
--- a/content/browser/renderer_host/ime_adapter_android.cc
+++ b/content/browser/renderer_host/ime_adapter_android.cc
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/strings/utf_string_conversions.h"
@@ -237,6 +238,31 @@ void ImeAdapterAndroid::FocusedNodeChanged(bool is_editable_node) {
   }
 }
 
+void ImeAdapterAndroid::SetCharacterBounds(
+    const std::vector<gfx::Rect>& character_bounds) {
+  JNIEnv* env = AttachCurrentThread();
+  base::android::ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env);
+  if (obj.is_null())
+    return;
+
+  const size_t coordinates_array_size = character_bounds.size() * 4;
+  scoped_ptr<float[]> coordinates_array(new float[coordinates_array_size]);
+  for (size_t i = 0; i < character_bounds.size(); ++i) {
+    const gfx::Rect& rect = character_bounds[i];
+    const size_t coordinates_array_index = i * 4;
+    coordinates_array[coordinates_array_index + 0] = rect.x();
+    coordinates_array[coordinates_array_index + 1] = rect.y();
+    coordinates_array[coordinates_array_index + 2] = rect.right();
+    coordinates_array[coordinates_array_index + 3] = rect.bottom();
+  }
+  Java_ImeAdapter_setCharacterBounds(
+      env,
+      obj.obj(),
+      base::android::ToJavaFloatArray(env,
+                                      coordinates_array.get(),
+                                      coordinates_array_size).obj());
+}
+
 void ImeAdapterAndroid::SetEditableSelectionOffsets(JNIEnv*, jobject,
                                                     int start, int end) {
   RenderFrameHost* rfh = GetFocusedFrame();