Update StartsWith calls to use new versions in chrome and content

 true -> base::CompareCase::SENSITIVE
 false with punctuation only -> base::CompareCase::SENSITIVE
 false with ascii constants -> base::CompareCase::INSENSITIVE_ASCII
 false with arbitrary string16 -> base::CompareCase::SENSITIVE with base::i18n::ToLower() on the arguments.

BUG=506920, 506255

Review URL: https://codereview.chromium.org/1214183008

Cr-Commit-Position: refs/heads/master@{#337439}
diff --git a/chrome/browser/extensions/extension_protocols_unittest.cc b/chrome/browser/extensions/extension_protocols_unittest.cc
index ab30636e..e057b04 100644
--- a/chrome/browser/extensions/extension_protocols_unittest.cc
+++ b/chrome/browser/extensions/extension_protocols_unittest.cc
@@ -298,8 +298,8 @@
     // Check that cache-related headers are set.
     std::string etag;
     request->GetResponseHeaderByName("ETag", &etag);
-    EXPECT_TRUE(base::StartsWithASCII(etag, "\"", false));
-    EXPECT_TRUE(base::EndsWith(etag, "\"", false));
+    EXPECT_TRUE(base::StartsWith(etag, "\"", base::CompareCase::SENSITIVE));
+    EXPECT_TRUE(base::EndsWith(etag, "\"", base::CompareCase::SENSITIVE));
 
     std::string revalidation_header;
     request->GetResponseHeaderByName("cache-control", &revalidation_header);