Move IPC fuzzer switches and helpers from chrome/common to content/common.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index b67e497148778b6c2e4798da4e4cdd82af242263..e9dcaebc8b69ee3b6c2cba674a56d52fef8cc8fb 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -650,10 +650,6 @@ const char kInstantProcess[]                = "instant-process";
 // The URL for the interests API.
 const char kInterestsURL[]                  = "interests-url";
 
-// Dumps IPC messages sent from renderer processes to the browser process to
-// the given directory. Used primarily to gather samples for IPC fuzzing.
-const char kIpcDumpDirectory[]              = "ipc-dump-directory";
-
 // Used for testing - keeps browser alive after last browser window closes.
 const char kKeepAliveForTest[]              = "keep-alive-for-test";
 
@@ -1234,11 +1230,6 @@ const char kWatcherProcess[]                = "watcher";
 const char kWindows8Search[]                = "windows8-search";
 #endif  // defined(OS_WIN)
 
-#if defined(ENABLE_IPC_FUZZER)
-// Specifies the testcase used by the IPC fuzzer.
-const char kIpcFuzzerTestcase[]             = "ipc-fuzzer-testcase";
-#endif
-
 #if defined(ENABLE_PRINT_PREVIEW) && !defined(OFFICIAL_BUILD)
 // Enables support to debug printing subsystem.
 const char kDebugPrint[] = "debug-print";