Remove //chrome deps from ExtensionDownloader

This frees ExtensionDownloader of any remaining
dependencies on //chrome in preparation for its
move to //extensions/browser.

The move is left for a follow-up CL.

BUG=398671

Review URL: https://codereview.chromium.org/651403003

Cr-Commit-Position: refs/heads/master@{#299776}

5 files changed, 33 insertions, 0 deletions

diff --git a/extensions/browser/extensions_browser_client.h b/extensions/browser/extensions_browser_client.h
index 5b3b1d2..e3ac4a5 100644
--- a/extensions/browser/extensions_browser_client.h
+++ b/extensions/browser/extensions_browser_client.h
@@ -191,6 +191,15 @@ class ExtensionsBrowserClient {
   // Gets the single ExtensionCache instance shared across the browser process.
   virtual ExtensionCache* GetExtensionCache() = 0;
 
+  // Indicates whether extension update checks should be allowed.
+  virtual bool IsBackgroundUpdateAllowed() = 0;
+
+  // Indicates whether an extension update which specifies its minimum browser
+  // version as |min_version| can be installed by the client. Not all extensions
+  // embedders share the same versioning model, so interpretation of the string
+  // is left up to the embedder.
+  virtual bool IsMinBrowserVersionSupported(const std::string& min_version) = 0;
+
   // Returns the single instance of |this|.
   static ExtensionsBrowserClient* Get();
 
diff --git a/extensions/browser/test_extensions_browser_client.cc b/extensions/browser/test_extensions_browser_client.cc
index 409469b..01be380 100644
--- a/extensions/browser/test_extensions_browser_client.cc
+++ b/extensions/browser/test_extensions_browser_client.cc
@@ -177,4 +177,13 @@ ExtensionCache* TestExtensionsBrowserClient::GetExtensionCache() {
   return extension_cache_.get();
 }
 
+bool TestExtensionsBrowserClient::IsBackgroundUpdateAllowed() {
+  return true;
+}
+
+bool TestExtensionsBrowserClient::IsMinBrowserVersionSupported(
+    const std::string& min_version) {
+  return true;
+}
+
 }  // namespace extensions
diff --git a/extensions/browser/test_extensions_browser_client.h b/extensions/browser/test_extensions_browser_client.h
index 632ed93..3ea76be 100644
--- a/extensions/browser/test_extensions_browser_client.h
+++ b/extensions/browser/test_extensions_browser_client.h
@@ -90,6 +90,9 @@ class TestExtensionsBrowserClient : public ExtensionsBrowserClient {
       scoped_ptr<base::ListValue> args) override;
   virtual net::NetLog* GetNetLog() override;
   virtual ExtensionCache* GetExtensionCache() override;
+  virtual bool IsBackgroundUpdateAllowed() override;
+  virtual bool IsMinBrowserVersionSupported(
+      const std::string& min_version) override;
 
  private:
   content::BrowserContext* main_context_;       // Not owned.
diff --git a/extensions/shell/browser/shell_extensions_browser_client.cc b/extensions/shell/browser/shell_extensions_browser_client.cc
index 68c3448..b36494e 100644
--- a/extensions/shell/browser/shell_extensions_browser_client.cc
+++ b/extensions/shell/browser/shell_extensions_browser_client.cc
@@ -226,4 +226,13 @@ ExtensionCache* ShellExtensionsBrowserClient::GetExtensionCache() {
   return extension_cache_.get();
 }
 
+bool ShellExtensionsBrowserClient::IsBackgroundUpdateAllowed() {
+  return true;
+}
+
+bool ShellExtensionsBrowserClient::IsMinBrowserVersionSupported(
+    const std::string& min_version) {
+  return true;
+}
+
 }  // namespace extensions
diff --git a/extensions/shell/browser/shell_extensions_browser_client.h b/extensions/shell/browser/shell_extensions_browser_client.h
index 23ede3e..a468c0f 100644
--- a/extensions/shell/browser/shell_extensions_browser_client.h
+++ b/extensions/shell/browser/shell_extensions_browser_client.h
@@ -79,6 +79,9 @@ class ShellExtensionsBrowserClient : public ExtensionsBrowserClient {
       scoped_ptr<base::ListValue> args) override;
   virtual net::NetLog* GetNetLog() override;
   virtual ExtensionCache* GetExtensionCache() override;
+  virtual bool IsBackgroundUpdateAllowed() override;
+  virtual bool IsMinBrowserVersionSupported(
+      const std::string& min_version) override;
 
  private:
   // The single BrowserContext for app_shell. Not owned.