Linux: about:memory

(based on http://code.google.com/p/chromium/issues/detail?id=16251)

Add about:memory support to Linux. Rather than try and copy the
Windows output, we use a couple of metrics which make more sense on
Linux: USS and PSS.

http://codereview.chromium.org/177024


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@24979 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 4 insertions, 2 deletions

diff --git a/chrome/browser/renderer_host/render_sandbox_host_linux.cc b/chrome/browser/renderer_host/render_sandbox_host_linux.cc
index eeb7a98..8ea30ab 100644
--- a/chrome/browser/renderer_host/render_sandbox_host_linux.cc
+++ b/chrome/browser/renderer_host/render_sandbox_host_linux.cc
@@ -295,8 +295,8 @@ RenderSandboxHostLinux::RenderSandboxHostLinux() {
   const int child_lifeline_fd = pipefds[0];
   childs_lifeline_fd_ = pipefds[1];
 
-  const pid_t child = fork();
-  if (child == 0) {
+  pid_ = fork();
+  if (pid_ == 0) {
     SandboxIPCProcess handler(child_lifeline_fd, browser_socket);
     handler.Run();
     _exit(0);
diff --git a/chrome/browser/renderer_host/render_sandbox_host_linux.h b/chrome/browser/renderer_host/render_sandbox_host_linux.h
index 43fa447..5b38b4c 100644
--- a/chrome/browser/renderer_host/render_sandbox_host_linux.h
+++ b/chrome/browser/renderer_host/render_sandbox_host_linux.h
@@ -18,6 +18,7 @@ class RenderSandboxHostLinux {
   // Get the file descriptor which renderers should be given in order to signal
   // crashes to the browser.
   int GetRendererSocket() const { return renderer_socket_; }
+  pid_t pid() const { return pid_; }
 
  private:
   friend struct DefaultSingletonTraits<RenderSandboxHostLinux>;
@@ -27,6 +28,7 @@ class RenderSandboxHostLinux {
 
   int renderer_socket_;
   int childs_lifeline_fd_;
+  pid_t pid_;
 
   DISALLOW_EVIL_CONSTRUCTORS(RenderSandboxHostLinux);
 };