Make callers of CommandLine use it via the base:: namespace.

chrome/browser/extensions/api/identity/identity_apitest.cc

Index: chrome/browser/extensions/api/identity/identity_apitest.cc
diff --git a/chrome/browser/extensions/api/identity/identity_apitest.cc b/chrome/browser/extensions/api/identity/identity_apitest.cc
index a2881ef0c7b14c6db104d7ec6a407e66db30786f..2ef62780573c4b1df547219c0c55e766e7dece61 100644
--- a/chrome/browser/extensions/api/identity/identity_apitest.cc
+++ b/chrome/browser/extensions/api/identity/identity_apitest.cc
@@ -401,7 +401,7 @@ gaia::AccountIds CreateIds(std::string email, std::string obfid) {
 }
 
 class IdentityGetAccountsFunctionTest : public ExtensionBrowserTest {
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kExtensionsMultiAccount);
   }
@@ -513,7 +513,7 @@ IN_PROC_BROWSER_TEST_F(IdentityGetAccountsFunctionTest, TwoAccountsSignedIn) {
 
 class IdentityOldProfilesGetAccountsFunctionTest
     : public IdentityGetAccountsFunctionTest {
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     // Don't add the multi-account switch that parent class would have.
   }
 };
@@ -657,7 +657,7 @@ IN_PROC_BROWSER_TEST_F(IdentityGetProfileUserInfoFunctionTest,
 
 class GetAuthTokenFunctionTest : public IdentityTestWithSignin {
  public:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     IdentityTestWithSignin::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kExtensionsMultiAccount);
   }
@@ -861,7 +861,8 @@ IN_PROC_BROWSER_TEST_F(GetAuthTokenFunctionTest,
   SignIn("primary@example.com");
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -885,7 +886,8 @@ IN_PROC_BROWSER_TEST_F(GetAuthTokenFunctionTest,
   SignIn("primary@example.com");
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -1662,7 +1664,7 @@ IN_PROC_BROWSER_TEST_F(RemoveCachedAuthTokenFunctionTest, MatchingToken) {
 
 class LaunchWebAuthFlowFunctionTest : public AsyncExtensionBrowserTest {
  public:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     AsyncExtensionBrowserTest::SetUpCommandLine(command_line);
     // Reduce performance test variance by disabling background networking.
     command_line->AppendSwitch(switches::kDisableBackgroundNetworking);
@@ -1742,7 +1744,8 @@ IN_PROC_BROWSER_TEST_F(LaunchWebAuthFlowFunctionTest, LoadFailed) {
 IN_PROC_BROWSER_TEST_F(LaunchWebAuthFlowFunctionTest, NonInteractiveSuccess) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -1768,7 +1771,8 @@ IN_PROC_BROWSER_TEST_F(
     LaunchWebAuthFlowFunctionTest, InteractiveFirstNavigationSuccess) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif