Increasing plugin JIT spike cap and removing lifeteim cap in response to user crash reports.

webkit/plugins/npapi/webplugin_delegate_impl_win.cc

 // 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.
 
 #include "webkit/plugins/npapi/webplugin_delegate_impl.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 130 matching lines @@
                                        SIZE_T size,
                                        DWORD free_type);
 
 const DWORD kExecPageMask = PAGE_EXECUTE_READ;
 static volatile intptr_t g_max_exec_mem_size;
 static scoped_ptr<base::Lock> g_exec_mem_lock;
 
 bool UpdateExecMemSize(intptr_t size) {
   base::AutoLock locked(*g_exec_mem_lock);
 
-  const intptr_t kMaxPluginExecMemSize = 192 * 1024 * 1024;  // 192mb.
-  const intptr_t kMaxPluginExecMemSizeSpike = 64 * 1024 * 1024;  // 64mb.
+  const intptr_t kMaxPluginExecMemSizeSpike = 80 * 1024 * 1024;  // 80mb.
   const DWORD kTimeLimit = 6;  // 6 minute timeout.
 
   static intptr_t s_exec_mem_size = 0;
   static intptr_t s_exec_mem_size_old = 0;
   static struct {
     intptr_t size;
     DWORD minutes;
   } s_exec_mem_log[kTimeLimit];
   static size_t s_old_idx;
   static size_t s_now_idx;
@@ skipping 24 matching lines @@
                                      s_exec_mem_size_old);
     }
   }
 
   // Floor to zero since shutdown may unmap pages created before our hooks.
   s_exec_mem_size = std::max(0, s_exec_mem_size + size);
   if (s_exec_mem_size > g_max_exec_mem_size)
     g_max_exec_mem_size = s_exec_mem_size;
 
 
-  if (s_exec_mem_size > kMaxPluginExecMemSize)
-    return false;
   if ((s_exec_mem_size - s_exec_mem_size_old) > kMaxPluginExecMemSizeSpike)
     return false;
 
   return true;
 }
 
 // Throw a unique exception when the JIT limit is hit.
 inline void RaiseJITException() {
   static const ULONG parameters[] = {1, 0xabad1dea /* 2880249322 */ };
   ::RaiseException(EXCEPTION_ACCESS_VIOLATION, EXCEPTION_NONCONTINUABLE,
@@ skipping 1509 matching lines @@
       ::ReleaseCapture();
       break;
 
     default:
       break;
   }
 }
 
 }  // namespace npapi
 }  // namespace webkit