Patch path filtering script.

scripts/slave/unittests/data/patch_path_filter/svn_patch1.patch

Index: scripts/slave/unittests/data/patch_path_filter/svn_patch1.patch
diff --git a/scripts/slave/unittests/data/patch_path_filter/svn_patch1.patch b/scripts/slave/unittests/data/patch_path_filter/svn_patch1.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9578c08bee4299bf64f80ee8aae7127f4b182978
--- /dev/null
+++ b/scripts/slave/unittests/data/patch_path_filter/svn_patch1.patch
@@ -0,0 +1,130 @@
+Index: webkit/tools/pepper_test_plugin/plugin_object.cc
+===================================================================
+--- webkit/tools/pepper_test_plugin/plugin_object.cc	(revision 34298)
++++ webkit/tools/pepper_test_plugin/plugin_object.cc	(working copy)
+@@ -276,7 +276,7 @@
+ 
+   SkBitmap bitmap;
+   bitmap.setConfig(SkBitmap::kARGB_8888_Config, window.width, window.height);
+-  bitmap.setPixels(context.u.graphicsRgba.region);
++  bitmap.setPixels(context.region);
+ 
+   SkCanvas canvas(bitmap);
+   DrawSampleBitmap(canvas, window.width, window.height);
+Index: third_party/npapi/bindings/npapi_extensions.h
+===================================================================
+--- third_party/npapi/bindings/npapi_extensions.h	(revision 34298)
++++ third_party/npapi/bindings/npapi_extensions.h	(working copy)
+@@ -203,24 +203,21 @@
+ 
+ typedef struct _NPDeviceContext2D
+ {
+-  union {
+-    struct {
+-      void* region;
+-      int32 stride;
++  void* reserved;
++  void* region;
++  int32 stride;
+ 
+-      /* The dirty region that the plugin has painted into the buffer. This
+-       * will be initialized to the size of the plugin image in
+-       * initializeRenderContextPtr. The plugin can change the values to only
+-       * update portions of the image.
+-       */
+-      struct {
+-        int32 left;
+-        int32 top;
+-        int32 right;
+-        int32 bottom;
+-      } dirty;
+-    } graphicsRgba;
+-  } u;
++  /* The dirty region that the plugin has painted into the buffer. This
++   * will be initialized to the size of the plugin image in
++   * initializeContextPtr. The plugin can change the values to only
++   * update portions of the image.
++   */
++  struct {
++    int32 left;
++    int32 top;
++    int32 right;
++    int32 bottom;
++  } dirty;
+ } NPDeviceContext2D;
+ 
+ /* 3D -----------------------------------------------------------------------*/
+@@ -232,6 +229,7 @@
+ 
+ typedef struct _NPDeviceContext3D
+ {
++  void* reserved;
+   void* buffer;
+   int32 bufferLength;
+ } NPDeviceContext3D;
+Index: chrome/renderer/webplugin_delegate_pepper.cc
+===================================================================
+--- chrome/renderer/webplugin_delegate_pepper.cc	(revision 34298)
++++ chrome/renderer/webplugin_delegate_pepper.cc	(working copy)
+@@ -272,13 +272,13 @@
+ 
+   // Save the canvas to the output context structure and save the
+   // OpenPaintContext for future reference.
+-  context->u.graphicsRgba.region = plugin_bitmap.getAddr32(0, 0);
+-  context->u.graphicsRgba.stride = width * kBytesPerPixel;
+-  context->u.graphicsRgba.dirty.left = 0;
+-  context->u.graphicsRgba.dirty.top = 0;
+-  context->u.graphicsRgba.dirty.right = width;
+-  context->u.graphicsRgba.dirty.bottom = height;
+-  open_paint_contexts_[context->u.graphicsRgba.region] =
++  context->region = plugin_bitmap.getAddr32(0, 0);
++  context->stride = width * kBytesPerPixel;
++  context->dirty.left = 0;
++  context->dirty.top = 0;
++  context->dirty.right = width;
++  context->dirty.bottom = height;
++  open_paint_contexts_[context->region] =
+       linked_ptr<OpenPaintContext>(paint_context.release());
+   return NPERR_NO_ERROR;
+ }
+@@ -304,7 +304,7 @@
+     void* user_data) {
+   // Get the bitmap data associated with the incoming context.
+   OpenPaintContextMap::iterator found = open_paint_contexts_.find(
+-      context->u.graphicsRgba.region);
++      context->region);
+   if (found == open_paint_contexts_.end())
+     return NPERR_INVALID_PARAM;  // TODO(brettw) call callback.
+ 
+@@ -316,14 +316,14 @@
+   // updated by actually taking ownership of the buffer and not telling the
+   // plugin we're done using it. This wat we can avoid the copy when the entire
+   // canvas has been updated.
+-  SkIRect src_rect = { context->u.graphicsRgba.dirty.left,
+-                       context->u.graphicsRgba.dirty.top,
+-                       context->u.graphicsRgba.dirty.right,
+-                       context->u.graphicsRgba.dirty.bottom };
+-  SkRect dest_rect = { SkIntToScalar(context->u.graphicsRgba.dirty.left),
+-                       SkIntToScalar(context->u.graphicsRgba.dirty.top),
+-                       SkIntToScalar(context->u.graphicsRgba.dirty.right),
+-                       SkIntToScalar(context->u.graphicsRgba.dirty.bottom) };
++  SkIRect src_rect = { context->dirty.left,
++                       context->dirty.top,
++                       context->dirty.right,
++                       context->dirty.bottom };
++  SkRect dest_rect = { SkIntToScalar(context->dirty.left),
++                       SkIntToScalar(context->dirty.top),
++                       SkIntToScalar(context->dirty.right),
++                       SkIntToScalar(context->dirty.bottom) };
+   SkCanvas committed_canvas(committed_bitmap_);
+ 
+   // We want to replace the contents of the bitmap rather than blend.
+@@ -350,7 +350,7 @@
+ NPError WebPluginDelegatePepper::Device2DDestroyContext(
+     NPDeviceContext2D* context) {
+   OpenPaintContextMap::iterator found = open_paint_contexts_.find(
+-      context->u.graphicsRgba.region);
++      context->region);
+   if (found == open_paint_contexts_.end())
+     return NPERR_INVALID_PARAM;
+