Switch over to using SkRegions to calculate dirty areas.

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index 2369896d2ff59ec6c9f793e71836d62bba8f7a5c..b65796b4c9fe1adddb3201c601f022fe5433cee2 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -167,6 +167,9 @@
         'remoting_jingle_glue',
         '../third_party/npapi/npapi.gyp:npapi',
       ],
+      'include_dirs': [
+        '../skia/config',
+      ],
       'sources': [
         'host/plugin/host_plugin.cc',
         'host/plugin/host_plugin.def',
@@ -284,6 +287,9 @@
         # TODO(hclam): Enable VP8 in the build.
         #'third_party/on2/on2.gyp:vp8',
       ],
+      'include_dirs': [
+        '../skia/config',
+      ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
         '../net/net.gyp:net',
@@ -330,7 +336,6 @@
         'base/task_thread_proxy.h',
         'base/tracer.cc',
         'base/tracer.h',
-        'base/types.h',
         'base/util.cc',
         'base/util.h',
       ],
@@ -356,6 +361,9 @@
         'differ_block',
         '../crypto/crypto.gyp:crypto',
       ],
+      'include_dirs': [
+        '../skia/config',
+      ],
       'sources': [
         'host/access_verifier.h',
         'host/capturer.h',
@@ -474,6 +482,9 @@
         'remoting_jingle_glue',
         'remoting_protocol',
       ],
+      'include_dirs': [
+        '../skia/config',
+      ],
       'sources': [
         'client/chromoting_client.cc',
         'client/chromoting_client.h',
@@ -504,6 +515,9 @@
         '../base/base.gyp:base_i18n',
         '../media/media.gyp:media',
       ],
+      'include_dirs': [
+        '../skia/config',
+      ],
       'sources': [
         'host/capturer_fake_ascii.cc',
         'host/capturer_fake_ascii.h',
@@ -671,9 +685,6 @@
     {
       'target_name': 'differ_block',
       'type': 'static_library',
-      'include_dirs': [
-        '..',
-      ],
       'dependencies': [
         '../media/media.gyp:cpu_features',
       ],
@@ -693,9 +704,6 @@
     {
       'target_name': 'differ_block_sse2',
       'type': 'static_library',
-      'include_dirs': [
-        '..',
-      ],
       'conditions': [
         [ 'os_posix == 1 and OS != "mac"', {
           'cflags': [
@@ -742,6 +750,7 @@
       ],
       'include_dirs': [
         '../testing/gmock/include',
+        '../skia/config',
       ],
       'sources': [
         'base/auth_token_util_unittest.cc',