Fix a nasty scroll bug for Chrome Now-on-tap feature. Also combine the code paths for Android Webvi…

content/browser/android/content_view_core_impl.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 "content/browser/android/content_view_core_impl.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 1472 matching lines @@
 void ContentViewCoreImpl::OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_ContentViewCore_onShowUnhandledTapUIIfNeeded(
       env, obj.obj(), static_cast<jint>(x_dip * dpi_scale()),
       static_cast<jint>(y_dip * dpi_scale()));
 }
 
-float ContentViewCoreImpl::GetScaleFactor() const {
-  return page_scale_ * dpi_scale_;
-}
-
 void ContentViewCoreImpl::OnSmartClipDataExtracted(
     const base::string16& text,
     const base::string16& html,
     const gfx::Rect& clip_rect) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jtext = ConvertUTF16ToJavaString(env, text);
   ScopedJavaLocalRef<jstring> jhtml = ConvertUTF16ToJavaString(env, html);
@@ skipping 68 matching lines @@
     return ScopedJavaLocalRef<jobject>();
 
   return view->GetJavaObject();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content