1 files changed, 64 insertions, 28 deletions

diff --git a/chrome/renderer/render_process.h b/chrome/renderer/render_process.h
index c4c7ca3..4c682dc 100644
--- a/chrome/renderer/render_process.h
+++ b/chrome/renderer/render_process.h
@@ -1,34 +1,29 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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 CHROME_RENDERER_RENDER_PROCESS_H_
-#define CHROME_RENDERER_RENDER_PROCESS_H_
+#ifndef CHROME_RENDERER_RENDER_PROCESS_H__
+#define CHROME_RENDERER_RENDER_PROCESS_H__
 
+#include "base/timer.h"
 #include "chrome/common/child_process.h"
+#include "chrome/renderer/render_thread.h"
+#include "native_client/src/shared/imc/nacl_imc.h"
 #include "skia/ext/platform_canvas.h"
 
-class TransportDIB;
-
 namespace gfx {
 class Rect;
 }
 
-namespace skia {
-class PlatformCanvas;
-}
+class TransportDIB;
 
-// A abstract interface representing the renderer end of the browser<->renderer
-// connection. The opposite end is the RenderProcessHost. This is a singleton
-// object for each renderer.
-//
-// RenderProcessImpl implements this interface for the regular browser.
-// MockRenderProcess implements this interface for certain tests, especially
-// ones derived from RenderViewTest.
+// Represents the renderer end of the browser<->renderer connection. The
+// opposite end is the RenderProcessHost. This is a singleton object for
+// each renderer.
 class RenderProcess : public ChildProcess {
  public:
-  RenderProcess() {}
-  virtual ~RenderProcess() {}
+  RenderProcess();
+  ~RenderProcess();
 
   // Get a canvas suitable for drawing and transporting to the browser
   //   memory: (output) the transport DIB memory
@@ -37,31 +32,72 @@ class RenderProcess : public ChildProcess {
   //
   // When no longer needed, you should pass the TransportDIB to
   // ReleaseTransportDIB so that it can be recycled.
-  virtual skia::PlatformCanvas* GetDrawingCanvas(TransportDIB** memory,
-                                                 const gfx::Rect& rect) = 0;
+  skia::PlatformCanvas* GetDrawingCanvas(
+      TransportDIB** memory, const gfx::Rect& rect);
 
   // Frees shared memory allocated by AllocSharedMemory.  You should only use
   // this function to free the SharedMemory object.
-  virtual void ReleaseTransportDIB(TransportDIB* memory) = 0;
+  void ReleaseTransportDIB(TransportDIB* memory);
 
   // Returns true if plugins should be loaded in-process.
-  virtual bool UseInProcessPlugins() const = 0;
+  bool in_process_plugins() const { return in_process_plugins_; }
 
-  virtual bool HasInitializedMediaLibrary() const = 0;
+  bool initialized_media_library() const { return initialized_media_library_; }
 
-  // Returns a pointer to the RenderProcess singleton instance. Assuming that
-  // we're actually a renderer or a renderer test, this static cast will
-  // be correct.
+  // Returns a pointer to the RenderProcess singleton instance.
   static RenderProcess* current() {
     return static_cast<RenderProcess*>(ChildProcess::current());
   }
 
-  // Just like UseInProcessPlugins(), but called before RenderProcess is
-  // created.
+  // Just like in_process_plugins(), but called before RenderProcess is created.
   static bool InProcessPlugins();
 
+  // Sends a message to the browser process asking to launch a new NaCl process.
+  // Called from NaCl plugin code.
+  static bool LaunchNaClProcess(const char* url,
+                                int imc_fd,
+                                nacl::Handle* imc_handle,
+                                nacl::Handle* nacl_process_handle,
+                                int* nacl_process_id);
+
  private:
+  // Look in the shared memory cache for a suitable object to reuse.
+  //   result: (output) the memory found
+  //   size: the resulting memory will be >= this size, in bytes
+  //   returns: false if a suitable DIB memory could not be found
+  bool GetTransportDIBFromCache(TransportDIB** result, size_t size);
+
+  // Maybe put the given shared memory into the shared memory cache. Returns
+  // true if the SharedMemory object was stored in the cache; otherwise, false
+  // is returned.
+  bool PutSharedMemInCache(TransportDIB* memory);
+
+  void ClearTransportDIBCache();
+
+  // Return the index of a free cache slot in which to install a transport DIB
+  // of the given size. If all entries in the cache are larger than the given
+  // size, this doesn't free any slots and returns -1.
+  int FindFreeCacheSlot(size_t size);
+
+  // Create a new transport DIB of, at least, the given size. Return NULL on
+  // error.
+  TransportDIB* CreateTransportDIB(size_t size);
+  void FreeTransportDIB(TransportDIB*);
+
+  // A very simplistic and small cache.  If an entry in this array is non-null,
+  // then it points to a SharedMemory object that is available for reuse.
+  TransportDIB* shared_mem_cache_[2];
+
+  // This DelayTimer cleans up our cache 5 seconds after the last use.
+  base::DelayTimer<RenderProcess> shared_mem_cache_cleaner_;
+
+  // TransportDIB sequence number
+  uint32 sequence_number_;
+
+  bool in_process_plugins_;
+  bool initialized_media_library_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderProcess);
 };
 
-#endif  // CHROME_RENDERER_RENDER_PROCESS_H_
+#endif  // CHROME_RENDERER_RENDER_PROCESS_H__