Parse blink platform log channel command line args in webkit unit tests.

content/test/webkit_support.cc

 // Copyright 2013 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 "content/test/webkit_support.h"
 
+#include <string>
+
+#include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
+#include "base/strings/string_tokenizer.h"
+#include "content/public/common/content_switches.h"
 #include "content/test/test_webkit_platform_support.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "url/url_util.h"
 #include "webkit/common/user_agent/user_agent.h"
 #include "webkit/common/user_agent/user_agent_util.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "net/android/network_library.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/test/mock_chrome_application_mac.h"
 #endif
 
 namespace content {
 
 namespace {
 
+void EnableBlinkPlatformLogChannels(const std::string& channels) {
+  if (channels.empty())
+    return;
+  base::StringTokenizer t(channels, ", ");
+  while (t.GetNext())
+    blink::enableLogChannel(t.token().c_str());
+}
+
+void ParseBlinkCommandLineArgumentsForUnitTests() {
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  EnableBlinkPlatformLogChannels(
+      command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
+}
+
 class TestEnvironment {
  public:
 #if defined(OS_ANDROID)
   // Android UI message loop goes through Java, so don't use it in tests.
   typedef base::MessageLoop MessageLoopType;
 #else
   typedef base::MessageLoopForUI MessageLoopType;
 #endif
 
   TestEnvironment() {
@@ skipping 23 matching lines @@
  private:
   scoped_ptr<MessageLoopType> main_message_loop_;
   scoped_ptr<TestWebKitPlatformSupport> webkit_platform_support_;
 };
 
 TestEnvironment* test_environment;
 
 }  // namespace
 
 void SetUpTestEnvironmentForUnitTests() {
+  ParseBlinkCommandLineArgumentsForUnitTests();
+
   blink::WebRuntimeFeatures::enableStableFeatures(true);
   blink::WebRuntimeFeatures::enableExperimentalFeatures(true);
   blink::WebRuntimeFeatures::enableTestOnlyFeatures(true);
 
 #if defined(OS_ANDROID)
   JNIEnv* env = base::android::AttachCurrentThread();
   net::android::RegisterNetworkLibrary(env);
 #endif
 
 #if defined(OS_MACOSX)
@@ skipping 14 matching lines @@
   // http://code.google.com/p/chromium/issues/detail?id=9500
   base::RunLoop().RunUntilIdle();
 
   if (RunningOnValgrind())
     blink::WebCache::clear();
   delete test_environment;
   test_environment = NULL;
 }
 
 }  // namespace content