Connect the browsing data remover with WebKit cache.

This is the first step to delete Webkit's cache when
deleting all browsing data. Webkit changes will come
next.

BUG=54336
TEST=none

Review URL: http://codereview.chromium.org/3577002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61230 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 15 insertions, 0 deletions

diff --git a/chrome/browser/renderer_host/web_cache_manager.cc b/chrome/browser/renderer_host/web_cache_manager.cc
index 30cf651..04da747 100644
--- a/chrome/browser/renderer_host/web_cache_manager.cc
+++ b/chrome/browser/renderer_host/web_cache_manager.cc
@@ -147,6 +147,12 @@ void WebCacheManager::SetGlobalSizeLimit(size_t bytes) {
   ReviseAllocationStrategyLater();
 }
 
+void WebCacheManager::ClearCache() {
+  // Tell each renderer process to clear the cache.
+  ClearRendederCache(active_renderers_);
+  ClearRendederCache(inactive_renderers_);
+}
+
 // static
 size_t WebCacheManager::GetDefaultGlobalSizeLimit() {
   PrefService* perf_service = g_browser_process->local_state();
@@ -298,6 +304,15 @@ void WebCacheManager::EnactStrategy(const AllocationStrategy& strategy) {
   }
 }
 
+void WebCacheManager::ClearRendederCache(std::set<int> renderers) {
+  std::set<int>::const_iterator iter = renderers.begin();
+  for (; iter != renderers.end(); ++iter) {
+    RenderProcessHost* host = RenderProcessHost::FromID(*iter);
+    if (host)
+      host->Send(new ViewMsg_ClearCache());
+  }
+}
+
 void WebCacheManager::ReviseAllocationStrategy() {
   DCHECK(stats_.size() <=
       active_renderers_.size() + inactive_renderers_.size());