Use ui::GestureConfiguration to disable tap suppression in Android WebView

android_webview/native/aw_contents.cc

 // Copyright 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 "android_webview/native/aw_contents.h"
 
 #include <limits>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 49 matching lines @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/message_port_types.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/ssl_status.h"
 #include "jni/AwContents_jni.h"
 #include "net/base/auth.h"
 #include "net/cert/x509_certificate.h"
 #include "third_party/skia/include/core/SkPicture.h"
+#include "ui/events/gesture_detection/gesture_configuration.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/image/image.h"
 
 struct AwDrawSWFunctionTable;
 
 using autofill::ContentAutofillDriverFactory;
 using autofill::AutofillManager;
 using base::android::AttachCurrentThread;
@@ skipping 218 matching lines @@
 
   return web_contents_->GetJavaWebContents();
 }
 
 void AwContents::Destroy(JNIEnv* env, jobject obj) {
   java_ref_.reset();
   delete this;
 }
 
 static jlong Init(JNIEnv* env, jclass, jobject browser_context) {
+  ui::GestureConfiguration::GetInstance()

[jdduke (slow), 2015/07/31 21:10:31]

What about doing it in AwMainDelegate::BasicStartupComplete?

[hush (inactive), 2015/07/31 21:48:24]

ah yes. That works too. I don't have strong preference over one another. I will
just put it over there, which is invoked only once (instead of invoking for each
webview)

+      ->set_fling_touchscreen_tap_suppression_enabled(false);
   // TODO(joth): Use |browser_context| to get the native BrowserContext, rather
   // than hard-code the default instance lookup here.
   scoped_ptr<WebContents> web_contents(content::WebContents::Create(
       content::WebContents::CreateParams(AwBrowserContext::GetDefault())));
   // Return an 'uninitialized' instance; most work is deferred until the
   // subsequent SetJavaPeers() call.
   return reinterpret_cast<intptr_t>(new AwContents(web_contents.Pass()));
 }
 
 static void SetForceAuxiliaryBitmapRendering(
@@ skipping 879 matching lines @@
 
   AwMessagePortServiceImpl::GetInstance()->CreateMessageChannel(env, ports,
       GetMessagePortMessageFilter());
 }
 
 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
   g_should_download_favicons = true;
 }
 
 }  // namespace android_webview