[clang-tidy] Add links to check docs in comments

clang-tools-extra/clang-tidy/google/AvoidCStyleCastsCheck.h

@@ -25,6 +25,9 @@ namespace readability {
 /// This check is similar to `-Wold-style-cast`, but it suggests automated fixes
 /// in some cases. The reported locations should not be different from the
 /// ones generated by `-Wold-style-cast`.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-readability-casting.html
 class AvoidCStyleCastsCheck : public ClangTidyCheck {
 public:
   AvoidCStyleCastsCheck(StringRef Name, ClangTidyContext *Context)

clang-tools-extra/clang-tidy/google/AvoidUnderscoreInGoogletestNameCheck.h

@@ -18,6 +18,9 @@ namespace readability {
 
 // Check for underscores in the names of googletest tests, per
 // https://github.com/google/googletest/blob/master/googletest/docs/faq.md#why-should-test-suite-names-and-test-names-not-contain-underscore
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-readability-avoid-underscore-in-googletest-name.html
 class AvoidUnderscoreInGoogletestNameCheck : public ClangTidyCheck {
 public:
   using ClangTidyCheck::ClangTidyCheck;

clang-tools-extra/clang-tidy/google/DefaultArgumentsCheck.h

@@ -18,6 +18,9 @@ namespace google {
 /// Checks that default parameters are not given for virtual methods.
 ///
 /// See https://google.github.io/styleguide/cppguide.html#Default_Arguments
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-default-arguments.html
 class DefaultArgumentsCheck : public ClangTidyCheck {
 public:
   DefaultArgumentsCheck(StringRef Name, ClangTidyContext *Context)

clang-tools-extra/clang-tidy/google/ExplicitConstructorCheck.h

@@ -18,6 +18,9 @@ namespace google {
 /// Checks that all single-argument constructors are explicit.
 ///
 /// See https://google.github.io/styleguide/cppguide.html#Explicit_Constructors
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-explicit-constructor.html
 class ExplicitConstructorCheck : public ClangTidyCheck {
 public:
   ExplicitConstructorCheck(StringRef Name, ClangTidyContext *Context)

clang-tools-extra/clang-tidy/google/ExplicitMakePairCheck.h

@@ -22,6 +22,9 @@ namespace build {
 /// specified explicitly, and such use isn't intended in any case.
 ///
 /// Corresponding cpplint.py check name: 'build/explicit_make_pair'.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-build-explicit-make-pair.html
 class ExplicitMakePairCheck : public ClangTidyCheck {
 public:
   ExplicitMakePairCheck(StringRef Name, ClangTidyContext *Context)

clang-tools-extra/clang-tidy/google/GlobalNamesInHeadersCheck.h

@@ -27,6 +27,9 @@ namespace readability {
 ///
 ///     For extension-less header files, using an empty string or leaving an
 ///     empty string between ";" if there are other filename extensions.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-global-names-in-headers.html
 class GlobalNamesInHeadersCheck : public ClangTidyCheck {
 public:
   GlobalNamesInHeadersCheck(StringRef Name, ClangTidyContext *Context);

clang-tools-extra/clang-tidy/google/IntegerTypesCheck.h

@@ -25,6 +25,9 @@ namespace runtime {
 /// with `u?intXX(_t)?`.
 ///
 /// Corresponding cpplint.py check: 'runtime/int'.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-runtime-int.html
 class IntegerTypesCheck : public ClangTidyCheck {
 public:
   IntegerTypesCheck(StringRef Name, ClangTidyContext *Context);

clang-tools-extra/clang-tidy/google/OverloadedUnaryAndCheck.h

@@ -21,6 +21,9 @@ namespace runtime {
 /// https://google.github.io/styleguide/cppguide.html#Operator_Overloading
 ///
 /// Corresponding cpplint.py check name: 'runtime/operator'.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-runtime-operator.html
 class OverloadedUnaryAndCheck : public ClangTidyCheck {
 public:
   OverloadedUnaryAndCheck(StringRef Name, ClangTidyContext *Context)

clang-tools-extra/clang-tidy/google/TodoCommentCheck.h

@@ -19,6 +19,9 @@ namespace readability {
 /// Finds TODO comments without a username or bug number.
 ///
 /// Corresponding cpplint.py check: 'readability/todo'
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-readability-todo.html
 class TodoCommentCheck : public ClangTidyCheck {
 public:
   TodoCommentCheck(StringRef Name, ClangTidyContext *Context);

clang-tools-extra/clang-tidy/google/UnnamedNamespaceInHeaderCheck.h

@@ -30,6 +30,9 @@ namespace build {
 /// https://google.github.io/styleguide/cppguide.html#Namespaces
 ///
 /// Corresponding cpplint.py check name: 'build/namespaces'.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/google-build-namespaces.html
 class UnnamedNamespaceInHeaderCheck : public ClangTidyCheck {
 public:
   UnnamedNamespaceInHeaderCheck(StringRef Name, ClangTidyContext *Context);

clang-tools-extra/clang-tidy/google/UsingNamespaceDirectiveCheck.h

@@ -31,6 +31,9 @@ namespace build {
 ///   \endcode
 ///
 /// Corresponding cpplint.py check name: `build/namespaces`.
+///
+/// For the user-facing documentation see:
+/// https://clang.llvm.org/extra/clang-tidy/checks/google-build-using-namespace.html
 class UsingNamespaceDirectiveCheck : public ClangTidyCheck {
 public:
   UsingNamespaceDirectiveCheck(StringRef Name, ClangTidyContext *Context)