Show a warning message if the cache might not be cleared correctly between runs.

BUG=44688

Review URL: http://codereview.chromium.org/2841013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50623 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/webkit/extensions/v8/benchmarking_extension.cc b/webkit/extensions/v8/benchmarking_extension.cc
index 362a928..8eb0f00 100644
--- a/webkit/extensions/v8/benchmarking_extension.cc
+++ b/webkit/extensions/v8/benchmarking_extension.cc
@@ -2,7 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/command_line.h"
 #include "base/stats_table.h"
+#include "chrome/common/chrome_switches.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCache.h"
 #include "webkit/extensions/v8/benchmarking_extension.h"
 #include "webkit/glue/webkit_glue.h"
@@ -35,6 +37,10 @@ class BenchmarkingWrapper : public v8::Extension {
         "  native function GetCounter();"
         "  return GetCounter(name);"
         "};"
+        "chrome.benchmarking.isSingleProcess = function() {"
+        "  native function IsSingleProcess();"
+        "  return IsSingleProcess();"
+        "};"
         ) {}
 
   virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
@@ -45,6 +51,8 @@ class BenchmarkingWrapper : public v8::Extension {
       return v8::FunctionTemplate::New(ClearCache);
     } else if (name->Equals(v8::String::New("GetCounter"))) {
       return v8::FunctionTemplate::New(GetCounter);
+    } else if (name->Equals(v8::String::New("IsSingleProcess"))) {
+      return v8::FunctionTemplate::New(IsSingleProcess);
     }
     return v8::Handle<v8::FunctionTemplate>();
   }
@@ -73,6 +81,11 @@ class BenchmarkingWrapper : public v8::Extension {
     int counter = StatsTable::current()->GetCounterValue(name);
     return v8::Integer::New(counter);
   }
+
+  static v8::Handle<v8::Value> IsSingleProcess(const v8::Arguments& args) {
+    return v8::Boolean::New(CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kSingleProcess));
+  }
 };
 
 v8::Extension* BenchmarkingExtension::Get() {