3 files changed, 14 insertions, 0 deletions
diff --git a/chrome/test/ui/ui_test.cc b/chrome/test/ui/ui_test.cc
index ff30346..d7bb7ca 100644
--- a/chrome/test/ui/ui_test.cc
+++ b/chrome/test/ui/ui_test.cc
@@ -60,6 +60,7 @@ bool UITest::silent_dump_on_dcheck_ = false;
 bool UITest::disable_breakpad_ = false;
 int UITest::timeout_ms_ = 20 * 60 * 1000;
 std::wstring UITest::js_flags_ = L"";
+std::wstring UITest::log_level_ = L"";
 
 
 // Specify the time (in milliseconds) that the ui_tests should wait before
@@ -315,6 +316,8 @@ void UITest::LaunchBrowser(const CommandLine& arguments, bool clear_profile) {
   if (!js_flags_.empty())
     command_line.AppendSwitchWithValue(switches::kJavaScriptFlags,
                                        js_flags_);
+  if (!log_level_.empty())
+    command_line.AppendSwitchWithValue(switches::kLoggingLevel, log_level_);
 
   command_line.AppendSwitch(switches::kMetricsRecordingOnly);
 
diff --git a/chrome/test/ui/ui_test.h b/chrome/test/ui/ui_test.h
index a0436f9..1bec6cf 100644
--- a/chrome/test/ui/ui_test.h
+++ b/chrome/test/ui/ui_test.h
@@ -292,6 +292,11 @@ class UITest : public testing::Test {
     js_flags_ = value;
   }
 
+  static std::wstring log_level() { return log_level_; }
+  static void set_log_level(const std::wstring& value) {
+    log_level_ = value;
+  }
+
   // Called by some tests that wish to have a base profile to start from. This
   // "user data directory" (containing one or more profiles) will be recursively
   // copied into the user data directory for the test and the files will be
@@ -440,6 +445,7 @@ class UITest : public testing::Test {
   static int timeout_ms_;               // Timeout in milliseconds to wait
                                         // for an test to finish.
   static std::wstring js_flags_;        // Flags passed to the JS engine.
+  static std::wstring log_level_;       // Logging level.
 #if defined(OS_WIN)
   // TODO(port): restore me after AutomationProxy works.
   scoped_ptr<AutomationProxy> server_;
diff --git a/chrome/test/ui/ui_test_suite.h b/chrome/test/ui/ui_test_suite.h
index 07f6c76..dfe5eeb 100644
--- a/chrome/test/ui/ui_test_suite.h
+++ b/chrome/test/ui/ui_test_suite.h
@@ -49,6 +49,11 @@ class UITestSuite : public ChromeTestSuite {
     if (!js_flags.empty()) {
       UITest::set_js_flags(js_flags);
     }
+    std::wstring log_level =
+      parsed_command_line.GetSwitchValue(switches::kLoggingLevel);
+    if (!log_level.empty()) {
+      UITest::set_log_level(log_level);
+    }
   }
 
   virtual void SuppressErrorDialogs() {