TrimMemory strategy while offscreenPreRaster is on.

android_webview/browser/browser_view_renderer.h

 // Copyright (c) 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_BROWSER_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 
 #include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "android_webview/browser/shared_renderer_state.h"
 #include "base/callback.h"
@@ skipping 127 matching lines @@
   void PostFallbackTick();
   void FallbackTickFired();
 
   // Force invoke the compositor to run produce a 1x1 software frame that is
   // immediately discarded. This is a hack to force invoke parts of the
   // compositor that are not directly exposed here.
   void ForceFakeCompositeSW();
 
   gfx::Vector2d max_scroll_offset() const;
 
-  size_t CalculateDesiredMemoryPolicy();
+  void UpdateMemoryPolicy();
 
   // For debug tracing or logging. Return the string representation of this
   // view renderer's state.
   std::string ToString() const;
 
   BrowserViewRendererClient* client_;
   SharedRendererState shared_renderer_state_;
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   content::SynchronousCompositor* compositor_;
@@ skipping 29 matching lines @@
   // visible skew (especially noticeable when scrolling up and down in the same
   // spot over a period of time).
   gfx::Vector2dF overscroll_rounding_error_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_