Allow content script insertion on about:-URLs.

Adds a new key content_scripts[*].match_about_blank and
InjectionDetails.matchAboutBlank.
If true, content scripts will also be inserted in about:* frames
provided that its origin matches a pattern in the extension permissions.

BUG=76429,55084,146789
TEST=browser_tests: ExtensionApiTest.ContentScriptAboutBlank*:ScriptContextTest.GetEffectiveDocumentURL

Review URL: https://codereview.chromium.org/226663003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@270690 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 3 insertions, 0 deletions

diff --git a/extensions/common/manifest_constants.cc b/extensions/common/manifest_constants.cc
index cc574d9..3422fb1 100644
--- a/extensions/common/manifest_constants.cc
+++ b/extensions/common/manifest_constants.cc
@@ -75,6 +75,7 @@ const char kLaunchWebURL[] = "app.launch.web_url";
 const char kLaunchWidth[] = "app.launch.width";
 const char kLayouts[] = "layouts";
 const char kManifestVersion[] = "manifest_version";
+const char kMatchAboutBlank[] = "match_about_blank";
 const char kMatches[] = "matches";
 const char kMinimumChromeVersion[] = "minimum_chrome_version";
 const char kMinimumVersion[] = "minimum_version";
@@ -478,6 +479,8 @@ const char kInvalidManifestVersionOld[] =
     "See developer.chrome.com/*/manifestVersion.html for details.";
 const char kInvalidMatch[] =
     "Invalid value for 'content_scripts[*].matches[*]': *";
+const char kInvalidMatchAboutBlank[] =
+    "Invalid value for 'content_scripts[*].match_about_blank'.";
 const char kInvalidMatchCount[] =
     "Invalid value for 'content_scripts[*].matches'. There must be at least "
     "one match specified.";