Delete memory manager dead code.

content/public/browser/gpu_data_manager.h

 // Copyright (c) 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_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_
 #define CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 55 matching lines @@
   // Returns true if the software rendering should currently be used.
   virtual bool ShouldUseSoftwareRendering() const = 0;
 
   // Register a path to the SwiftShader software renderer.
   virtual void RegisterSwiftShaderPath(const base::FilePath& path) = 0;
 
   // Registers/unregister |observer|.
   virtual void AddObserver(GpuDataManagerObserver* observer) = 0;
   virtual void RemoveObserver(GpuDataManagerObserver* observer) = 0;
 
-  // Notifies the gpu process about the number of browser windows, so
-  // they can be used to determine managed memory allocation.
-  virtual void SetWindowCount(uint32 count) = 0;
-  virtual uint32 GetWindowCount() const = 0;
-
   // Allows a given domain previously blocked from accessing 3D APIs
   // to access them again.
   virtual void UnblockDomainFrom3DAPIs(const GURL& url) = 0;
 
   // Disable the gpu process watchdog thread.
   virtual void DisableGpuWatchdog() = 0;
 
   // Set GL strings. This triggers a re-calculation of GPU blacklist
   // decision.
   virtual void SetGLStrings(const std::string& gl_vendor,
                             const std::string& gl_renderer,
                             const std::string& gl_version) = 0;
 
   // Obtain collected GL strings.
   virtual void GetGLStrings(std::string* gl_vendor,
                             std::string* gl_renderer,
                             std::string* gl_version) = 0;
 
  protected:
   virtual ~GpuDataManager() {}
 };
 
 };  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_GPU_DATA_MANAGER_H_