Suppress some more warnings for Clang Windows builds

BUG=82385

Review URL: https://codereview.chromium.org/159123003

git-svn-id: http://src.chromium.org/svn/trunk/src/build@250278 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -4681,10 +4681,15 @@
                   '-Wno-deprecated-register',
                   '-Wno-empty-body',
                   '-Wno-enum-conversion',
+                  '-Wno-extra-tokens',
+                  '-Wno-ignored-attributes',
                   '-Wno-incompatible-pointer-types',
+                  '-Wno-int-to-void-pointer-cast',
+                  '-Wno-invalid-noreturn',
                   '-Wno-logical-op-parentheses',
                   '-Wno-microsoft',
                   '-Wno-missing-braces',
+                  '-Wno-missing-declarations',
                   '-Wno-msvc-include',
                   '-Wno-null-dereference',
                   '-Wno-overloaded-virtual',
@@ -4693,6 +4698,7 @@
                   '-Wno-reorder',
                   '-Wno-return-type-c-linkage',
                   '-Wno-self-assign',
+                  '-Wno-sometimes-uninitialized',
                   '-Wno-switch',
                   '-Wno-tautological-compare',
                   '-Wno-unknown-pragmas',