Add bundle_deps_filter to create_bundle targets.

tools/gn/variables.cc

Index: tools/gn/variables.cc
diff --git a/tools/gn/variables.cc b/tools/gn/variables.cc
index 948495cf7037c4671bc52cba176482a778941e68..1fa3eebc029f43ab53072c30b6c475a5b81905c9 100644
--- a/tools/gn/variables.cc
+++ b/tools/gn/variables.cc
@@ -966,6 +966,18 @@ const char kDataDeps_Help[] =
     "    data_deps = [ \"//plugins:my_runtime_plugin\" ]\n"
     "  }\n";
 
+const char kDepsFilter[] = "deps_filter";
+const char kDepsFilter_HelpShort[] =
+    "deps_filter: [label list] A list of labels that must not be linked.";
+const char kDepsFilter_Help[] =
+    "deps_filter: [label list] A list of labels that must not be linked.\n"

[brettw, 2016/08/03 19:25:19]

Your implementation takes a list of label patterns, the documentation should
make that clearn.

+    "\n"
+    "  A list of target labels.\n"
+    "\n"
+    "  Specifies target that must be ignored when copying data into a bundle.\n"

[brettw, 2016/08/03 19:25:19]

Can you fix the grammar here? I think you mean "specifies targets" and "It is
usually used...". Can you also expand on this paragraph quite a bit and supply
some background for people that aren't familiar with ios bundles?

+    "  Usually used to filter runtime data from an application extension (the\n"
+    "  extension can use the runtime data packaged with the main app).\n";
+
 const char kDefines[] = "defines";
 const char kDefines_HelpShort[] =
     "defines: [string list] C preprocessor defines.";
@@ -1831,6 +1843,7 @@ const VariableInfoMap& GetTargetVariables() {
     INSERT_VARIABLE(Defines)
     INSERT_VARIABLE(Depfile)
     INSERT_VARIABLE(Deps)
+    INSERT_VARIABLE(DepsFilter)
     INSERT_VARIABLE(IncludeDirs)
     INSERT_VARIABLE(Inputs)
     INSERT_VARIABLE(Ldflags)