Revert "[Android WebView] Fast Fallback Tick take 2"

android_webview/browser/in_process_view_renderer.h

 // Copyright 2013 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 ANDROID_WEBVIEW_BROWSER_IN_PROCESS_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_IN_PROCESS_VIEW_RENDERER_H_
 
 #include <string>
 
 #include "android_webview/browser/browser_view_renderer.h"
@@ skipping 108 matching lines @@
   float dip_scale_;
   float page_scale_factor_;
   bool on_new_picture_enable_;
 
   // When true, we should continuously invalidate and keep drawing, for example
   // to drive animation. This value is set by the compositor and should always
   // reflect the expectation of the compositor and not be reused for other
   // states.
   bool compositor_needs_continuous_invalidate_;
 
-  // If this is true, then the fallback tick is posted with zero delay. This
-  // is to reduce the time in cases when blink main thread is blocked waiting.
-  // This is set when |compositor_needs_continuous_invalidate_| is set.
-  // Eventually, this should correspond to BeginFrame when BeginFrame and
-  // BeginFrameDeadline are separate functions.
-  bool need_fast_invalidate_;
-
   // Used to block additional invalidates while one is already pending or before
   // compositor draw which may switch continuous_invalidate on and off in the
   // process.
   bool block_invalidates_;
 
   // Holds a callback to FallbackTickFired while it is pending.
   base::CancelableClosure fallback_tick_;
 
   int width_;
   int height_;
@@ skipping 22 matching lines @@
   gfx::Vector2dF overscroll_rounding_error_;
 
   GLViewRendererManager::Key manager_key_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessViewRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_IN_PROCESS_VIEW_RENDERER_H_