Fix trailing whitespace in .cpp, .h, and .idl files

Source/core/html/parser/XSSAuditor.cpp

Index: Source/core/html/parser/XSSAuditor.cpp
diff --git a/Source/core/html/parser/XSSAuditor.cpp b/Source/core/html/parser/XSSAuditor.cpp
index 66ffa14fa86d21de51c4babaeff99758d20bb81b..6f50091ceb97d50f93226436dee808ca41644340 100644
--- a/Source/core/html/parser/XSSAuditor.cpp
+++ b/Source/core/html/parser/XSSAuditor.cpp
@@ -575,7 +575,7 @@ String XSSAuditor::decodedSnippetForAttribute(const FilterTokenRequest& request,
     if (treatment == SrcLikeAttribute) {
         int slashCount = 0;
         bool commaSeen = false;
-        // In HTTP URLs, characters following the first ?, #, or third slash may come from 
+        // In HTTP URLs, characters following the first ?, #, or third slash may come from
         // the page itself and can be merely ignored by an attacker's server when a remote
         // script or script-like resource is requested. In DATA URLS, the payload starts at
         // the first comma, and the the first /*, //, or <!-- may introduce a comment. Characters
@@ -595,10 +595,10 @@ String XSSAuditor::decodedSnippetForAttribute(const FilterTokenRequest& request,
                 commaSeen = true;
         }
     } else if (treatment == ScriptLikeAttribute) {
-        // Beware of trailing characters which came from the page itself, not the 
+        // Beware of trailing characters which came from the page itself, not the
         // injected vector. Excluding the terminating character covers common cases
         // where the page immediately ends the attribute, but doesn't cover more
-        // complex cases where there is other page data following the injection. 
+        // complex cases where there is other page data following the injection.
         // Generally, these won't parse as javascript, so the injected vector
         // typically excludes them from consideration via a single-line comment or
         // by enclosing them in a string literal terminated later by the page's own
@@ -655,7 +655,7 @@ String XSSAuditor::decodedSnippetForJavaScript(const FilterTokenRequest& request
 
     String result;
     while (startPosition < endPosition && !result.length()) {
-        // Stop at next comment (using the same rules as above for SVG/XML vs HTML), when we 
+        // Stop at next comment (using the same rules as above for SVG/XML vs HTML), when we
         // encounter a comma, or when we  exceed the maximum length target. The comma rule
         // covers a common parameter concatenation case performed by some webservers.
         // After hitting the length target, we can only stop at a point where we know we are
@@ -708,7 +708,7 @@ bool XSSAuditor::isLikelySafeResource(const String& url)
     // request, ignoring scheme and port considerations. If the resource has a
     // query string, we're more suspicious, however, because that's pretty rare
     // and the attacker might be able to trick a server-side script into doing
-    // something dangerous with the query string.  
+    // something dangerous with the query string.
     if (m_documentURL.host().isEmpty())
         return false;