Allow --v and --log-level switches simultaneous usage.

chrome/common/logging_chrome.cc

Index: chrome/common/logging_chrome.cc
diff --git a/chrome/common/logging_chrome.cc b/chrome/common/logging_chrome.cc
index 7d265871ed6e69b2adc35799e266ee33f5786034..cec98c470da94949cb158dd227434c6501fd605e 100644
--- a/chrome/common/logging_chrome.cc
+++ b/chrome/common/logging_chrome.cc
@@ -336,14 +336,18 @@ void InitChromeLogging(const base::CommandLine& command_line,
   // Use a minimum log level if the command line asks for one,
   // otherwise leave it at the default level (INFO).
   if (command_line.HasSwitch(switches::kLoggingLevel)) {
-    std::string log_level = command_line.GetSwitchValueASCII(
-        switches::kLoggingLevel);
-    int level = 0;
-    if (base::StringToInt(log_level, &level) &&
-        level >= 0 && level < LOG_NUM_SEVERITIES) {
-      logging::SetMinLogLevel(level);
-    } else {
-      DLOG(WARNING) << "Bad log level: " << log_level;
+    // Use this switch unless the vlogging level was specified in the command
+    // line by another switch.
+    if (logging::GetMinLogLevel() >= 0) {

[Lei Zhang, 2015/05/14 02:31:31]

Do this in the same if statement as the command_line.HasSwitch() check above?

[emaxx, 2015/05/15 12:59:42]

Done.

+      std::string log_level =
+          command_line.GetSwitchValueASCII(switches::kLoggingLevel);
+      int level = 0;
+      if (base::StringToInt(log_level, &level) && level >= 0 &&
+          level < LOG_NUM_SEVERITIES) {
+        logging::SetMinLogLevel(level);
+      } else {
+        DLOG(WARNING) << "Bad log level: " << log_level;
+      }
     }
   }