Windows: Fix placement of IME window (issue #1610)

patch/patch.cfg

@@ -132,4 +132,10 @@ patches = [
     'name': 'webkit_progresstracker_426510',
     'path': '../third_party/WebKit/Source/core/loader/',
   },
+  {
+    # Fix placement of IME window on Windows.
+    # https://bitbucket.org/chromiumembedded/cef/issue/1610
+    'name': 'ime_1610',
+    'path': '../ui/base/ime/',
+  },
 ]

patch/patches/ime_1610.patch

@@ -0,0 +1,13 @@
+diff --git input_method_win.cc input_method_win.cc
+index f6bc4c0..9c382fe 100644
+--- input_method_win.cc
++++ input_method_win.cc
+@@ -25,7 +25,7 @@ static const size_t kExtraNumberOfChars = 20;
+ 
+ InputMethodWin::InputMethodWin(internal::InputMethodDelegate* delegate,
+                                HWND toplevel_window_handle)
+-    : toplevel_window_handle_(toplevel_window_handle),
++    : toplevel_window_handle_(::GetAncestor(toplevel_window_handle, GA_ROOT)),
+       pending_requested_direction_(base::i18n::UNKNOWN_DIRECTION),
+       accept_carriage_return_(false),
+       active_(false),