share dm and command flags

dm/DM.cpp

Index: dm/DM.cpp
diff --git a/dm/DM.cpp b/dm/DM.cpp
index c71450c23fd96681d0cd1a0a9f60486fc1ee0112..003145b92187a92743051a57bd1e5724612d5b2e 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -2,7 +2,7 @@
 // For a high-level overview, please see dm/README.
 
 #include "CrashHandler.h"
-#include "SkCommandLineFlags.h"
+#include "SkCommonFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkPicture.h"
@@ -38,38 +38,17 @@ using skiatest::TestRegistry;
 static const char kGpuAPINameGL[] = "gl";
 static const char kGpuAPINameGLES[] = "gles";
 
-DEFINE_int32(threads, -1, "Threads for CPU work. Default NUM_CPUS.");
 DEFINE_int32(gpuThreads, 1, "Threads for GPU work.");
-DEFINE_string(gpuAPI, "", "Force use of specific gpu API.  Using \"gl\" "
-              "forces OpenGL API. Using \"gles\" forces OpenGL ES API. "
-              "Defaults to empty string, which selects the API native to the "
-              "system.");
 DEFINE_string2(expectations, r, "",
                "If a directory, compare generated images against images under this path. "
                "If a file, compare generated images against JSON expectations at this path."
 );
-DEFINE_string2(resources, i, "resources", "Path to resources directory.");
-DEFINE_string(match, "",  "[~][^]substring[$] [...] of GM name to run.\n"
-                          "Multiple matches may be separated by spaces.\n"
-                          "~ causes a matching GM to always be skipped\n"
-                          "^ requires the start of the GM to match\n"
-                          "$ requires the end of the GM to match\n"
-                          "^ and $ requires an exact match\n"
-                          "If a GM does not match any list entry,\n"
-                          "it is skipped unless some list entry starts with ~");
-DEFINE_string(config, "565 8888 pdf gpu nonrendering",
-              "Options: 565 8888 pdf gpu nonrendering msaa4 msaa16 nvprmsaa4 nvprmsaa16 "
-              "gpunull gpudebug angle mesa");
-DEFINE_bool(dryRun, false,
-            "Just print the tests that would be run, without actually running them.");
-DEFINE_bool(leaks, false, "Print leaked instance-counted objects at exit?");
+
 DEFINE_string(skps, "", "Directory to read skps from.");
 
 DEFINE_bool(gms, true, "Run GMs?");
 DEFINE_bool(tests, true, "Run tests?");
 
-DECLARE_bool(verbose);
-
 __SK_FORCE_IMAGE_DECODER_LINKING;
 
 // "FooBar" -> "foobar".  Obviously, ASCII only.
@@ -203,11 +182,10 @@ static void append_matching_factories(Registry* head, SkTDArray<typename Registr
     }
 }
 
-int tool_main(int argc, char** argv);
-int tool_main(int argc, char** argv) {
+int dm_main();
+int dm_main() {
     SetupCrashHandler();
     SkAutoGraphics ag;
-    SkCommandLineFlags::Parse(argc, argv);
 
     if (FLAGS_dryRun) {
         FLAGS_verbose = true;
@@ -262,6 +240,7 @@ int tool_main(int argc, char** argv) {
 
 #if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
 int main(int argc, char** argv) {
-    return tool_main(argc, argv);
+    SkCommandLineFlags::Parse(argc, argv);
+    return dm_main();
 }
 #endif