Resize only the virtual viewport when the OSK triggers a resize.

content/browser/android/content_view_core_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 271 matching lines @@
 
   void DidStopFlinging();
 
   // Returns the context with which the ContentViewCore was created, typically
   // the Activity context.
   base::android::ScopedJavaLocalRef<jobject> GetContext() const;
 
   // Returns the viewport size after accounting for the viewport offset.
   gfx::Size GetViewSize() const;
 
+  gfx::Size GetViewSizeWithoutOSK() const;
+
   void SetAccessibilityEnabledInternal(bool enabled);
 
   bool IsFullscreenRequiredForOrientationLock() const;
 
   // --------------------------------------------------------------------------
   // Methods called from native code
   // --------------------------------------------------------------------------
 
   gfx::Size GetPhysicalBackingSize() const;
   gfx::Size GetViewportSizeDip() const;
@@ skipping 87 matching lines @@
   scoped_refptr<GinJavaBridgeDispatcherHost> java_bridge_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_