Do not show IME on every touchend event when input field has focus

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2601 matching lines @@
     selection_text_.clear();
 
   // UpdateTextInputType should be called before SyncSelectionIfRequired.
   // UpdateTextInputType may send TextInputTypeChanged to notify the focus
   // was changed, and SyncSelectionIfRequired may send SelectionChanged
   // to notify the selection was changed.  Focus change should be notified
   // before selection change.
   UpdateTextInputType();
   SyncSelectionIfRequired();
 #if defined(OS_ANDROID)
-  UpdateTextInputState(false, true);
+  UpdateTextInputState(true, true);

[aurimas (slooooooooow), 2013/12/02 23:15:05]

Selection change is not the same as focus(), this call gets called multiple
times while the same not is focused. Maybe you are thinking about
RenderViewImpl::focusedNodeChanged()?

 #endif
 }
 
 void RenderViewImpl::didExecuteCommand(const WebString& command_name) {
   const std::string& name = UTF16ToUTF8(command_name);
   if (StartsWithASCII(name, "Move", true) ||
       StartsWithASCII(name, "Insert", true) ||
       StartsWithASCII(name, "Delete", true))
     return;
   RenderThreadImpl::current()->RecordUserMetrics(name);
@@ skipping 4050 matching lines @@
   for (size_t i = 0; i < icon_urls.size(); i++) {
     WebURL url = icon_urls[i].iconURL();
     if (!url.isEmpty())
       urls.push_back(FaviconURL(url,
                                 ToFaviconType(icon_urls[i].iconType())));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content