Removed requirement that data reduction proxy key be non-empty

The removes a check on initialization, because the key may be set
after initialization but before use.

BUG=382977

Review URL: https://codereview.chromium.org/347803003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278596 0039d316-1c4b-4281-b951-d872f2087c98

components/data_reduction_proxy/browser/data_reduction_proxy_params.cc

@@ -137,13 +137,6 @@ bool DataReductionProxyParams::Init(
     return false;
   }
 
-  if (allowed || alt_allowed) {
-    if (key_.empty()) {
-      DVLOG(1) << "Invalid key: <empty>";
-      return false;
-    }
-  }
-
   if (fallback_allowed_ && !allowed_) {
     DVLOG(1) << "The data reduction proxy fallback cannot be allowed if "
         << "the data reduction proxy is not allowed";

components/data_reduction_proxy/browser/data_reduction_proxy_params_unittest.cc

@@ -200,27 +200,6 @@ TEST_F(DataReductionProxyParamsTest, Flags) {
               kFlagProbeURL);
 }
 
-TEST_F(DataReductionProxyParamsTest, FlagsNoKey) {
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionProxy, kFlagOrigin);
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionProxyFallback, kFlagFallbackOrigin);
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionSSLProxy, kFlagSSLOrigin);
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionProxyAlt, kFlagAltOrigin);
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionProxyAltFallback, kFlagAltFallbackOrigin);
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kDataReductionProxyProbeURL, kFlagProbeURL);
-  TestDataReductionProxyParams params(
-      DataReductionProxyParams::kAllowed |
-      DataReductionProxyParams::kFallbackAllowed |
-      DataReductionProxyParams::kAlternativeAllowed |
-      DataReductionProxyParams::kPromoAllowed, HAS_EVERYTHING);
-  EXPECT_FALSE(params.init_result());
-}
-
 TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
   const struct {
     bool allowed;
@@ -231,7 +210,7 @@ TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
     bool expected_result;
   } tests[]  = {
     { true, true, true, true, HAS_NOTHING, true },
-    { true, true, true, true, HAS_KEY, false },
+    { true, true, true, true, HAS_KEY, true },
     { true, true, true, true, HAS_DEV_ORIGIN, true },
     { true, true, true, true, HAS_ORIGIN, true },
     { true, true, true, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
@@ -242,7 +221,7 @@ TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
     { true, true, true, true, HAS_PROBE_URL, false },
 
     { true, false, true, true, HAS_NOTHING, true },
-    { true, false, true, true, HAS_KEY, false },
+    { true, false, true, true, HAS_KEY, true },
     { true, false, true, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
     { true, false, true, true, HAS_FALLBACK_ORIGIN, true },
     { true, false, true, true, HAS_SSL_ORIGIN, false },
@@ -251,7 +230,7 @@ TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
     { true, false, true, true, HAS_PROBE_URL, false },
 
     { true, true, false, true, HAS_NOTHING, true },
-    { true, true, false, true, HAS_KEY, false },
+    { true, true, false, true, HAS_KEY, true },
     { true, true, false, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
     { true, true, false, true, HAS_FALLBACK_ORIGIN, false },
     { true, true, false, true, HAS_SSL_ORIGIN, true },
@@ -259,7 +238,7 @@ TEST_F(DataReductionProxyParamsTest, InvalidConfigurations) {
     { true, true, false, true, HAS_ALT_FALLBACK_ORIGIN, true },
     { true, true, false, true, HAS_PROBE_URL, false },
 
-    { true, false, false, true, HAS_KEY, false },
+    { true, false, false, true, HAS_KEY, true },
     { true, false, false, true, HAS_ORIGIN | HAS_DEV_ORIGIN, false },
     { true, false, false, true, HAS_FALLBACK_ORIGIN, true },
     { true, false, false, true, HAS_SSL_ORIGIN, true },