Add chrome.benchmark routines to clear the host and predictor caches.

This will be used in web-page-replay to enable TCP preconnect and DNS prefetch.

BUG=None
TEST=unit_tests passes

Review URL: http://codereview.chromium.org/6660008
Patch from Ziga Mahkovec <ziga@chromium.org>.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@79610 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 24 insertions, 0 deletions

diff --git a/webkit/extensions/v8/benchmarking_extension.cc b/webkit/extensions/v8/benchmarking_extension.cc
index 600eafa..e622ba7 100644
--- a/webkit/extensions/v8/benchmarking_extension.cc
+++ b/webkit/extensions/v8/benchmarking_extension.cc
@@ -31,6 +31,14 @@ class BenchmarkingWrapper : public v8::Extension {
         "  native function ClearCache();"
         "  ClearCache(preserve_ssl_entries);"
         "};"
+        "chrome.benchmarking.clearHostResolverCache = function() {"
+        "  native function ClearHostResolverCache();"
+        "  ClearHostResolverCache();"
+        "};"
+        "chrome.benchmarking.clearPredictorCache = function() {"
+        "  native function ClearPredictorCache();"
+        "  ClearPredictorCache();"
+        "};"
         "chrome.benchmarking.closeConnections = function() {"
         "  native function CloseConnections();"
         "  CloseConnections();"
@@ -75,6 +83,10 @@ class BenchmarkingWrapper : public v8::Extension {
       return v8::FunctionTemplate::New(CloseConnections);
     } else if (name->Equals(v8::String::New("ClearCache"))) {
       return v8::FunctionTemplate::New(ClearCache);
+    } else if (name->Equals(v8::String::New("ClearHostResolverCache"))) {
+      return v8::FunctionTemplate::New(ClearHostResolverCache);
+    } else if (name->Equals(v8::String::New("ClearPredictorCache"))) {
+      return v8::FunctionTemplate::New(ClearPredictorCache);
     } else if (name->Equals(v8::String::New("EnableSpdy"))) {
       return v8::FunctionTemplate::New(EnableSpdy);
     } else if (name->Equals(v8::String::New("GetCounter"))) {
@@ -102,6 +114,18 @@ class BenchmarkingWrapper : public v8::Extension {
     return v8::Undefined();
   }
 
+  static v8::Handle<v8::Value> ClearHostResolverCache(
+      const v8::Arguments& args) {
+    webkit_glue::ClearHostResolverCache();
+    return v8::Undefined();
+  }
+
+  static v8::Handle<v8::Value> ClearPredictorCache(
+      const v8::Arguments& args) {
+    webkit_glue::ClearPredictorCache();
+    return v8::Undefined();
+  }
+
   static v8::Handle<v8::Value> EnableSpdy(const v8::Arguments& args) {
     if (!args.Length() || !args[0]->IsBoolean())
       return v8::Undefined();